The Collaborative International Dictionary of English v.0.48:

Stuff \Stuff\, n. [OF. estoffe, F. ['e]toffe; of uncertain
   origin, perhaps of Teutonic origin and akin to E. stop, v.t.
   Cf. Stuff, v. t.]
   1. Material which is to be worked up in any process of
      manufacture.
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            For the stuff they had was sufficient for all the
            work to make it, and too much.        --Ex. xxxvi.
                                                  7.
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            Ambitions should be made of sterner stuff. --Shak.
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            The workman on his stuff his skill doth show,
            And yet the stuff gives not the man his skill. --Sir
                                                  J. Davies.
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   2. The fundamental material of which anything is made up;
      elemental part; essence.
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            Yet do I hold it very stuff o' the conscience
            To do no contrived murder.            --Shak.
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   3. Woven material not made into garments; fabric of any kind;
      specifically, any one of various fabrics of wool or
      worsted; sometimes, worsted fiber.
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            What stuff wilt have a kirtle of?     --Shak.
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            It [the arras] was of stuff and silk mixed, though,
            superior kinds were of silk exclusively. --F. G.
                                                  Lee.
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   4. Furniture; goods; domestic vessels or utensils.
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            He took away locks, and gave away the king's stuff.
                                                  --Hayward.
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   5. A medicine or mixture; a potion. --Shak.
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   6. Refuse or worthless matter; hence, also, foolish or
      irrational language; nonsense; trash.
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            Anger would indite
            Such woeful stuff as I or Shadwell write. --Dryden.
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   7. (Naut.) A melted mass of turpentine, tallow, etc., with
      which the masts, sides, and bottom of a ship are smeared
      for lubrication.                            --Ham. Nav.
                                                  Encyc.
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   8. Paper stock ground ready for use.
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   Note: When partly ground, called half stuff. --Knight.
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   Clear stuff. See under Clear.

   Small stuff (Naut.), all kinds of small cordage. --Ham.
      Nav. Encyc.

   Stuff gown, the distinctive garb of a junior barrister;
      hence, a junior barrister himself. See Silk gown, under
      Silk.
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The Collaborative International Dictionary of English v.0.48:

Stuff \Stuff\, v. t. [imp. & p. p. Stuffed; p. pr. & vb. n.
   Stuffing.] [OE. stoffen; cf. OF. estoffer, F. ['e]toffer,
   to put stuff in, to stuff, to line, also, OF. estouffer to
   stifle, F. ['e]touffer; both perhaps of Teutonic origin, and
   akin to E. stop. Cf. Stop, v. t., Stuff, n.]
   1. To fill by crowding something into; to cram with
      something; to load to excess; as, to stuff a bedtick.
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            Sometimes this crook drew hazel bought adown,
            And stuffed her apron wide with nuts so brown.
                                                  --Gay.
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            Lest the gods, for sin,
            Should with a swelling dropsy stuff thy skin.
                                                  --Dryden.
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   2. To thrust or crowd; to press; to pack.
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            Put roses into a glass with a narrow mouth, stuffing
            them close together . . . and they retain smell and
            color.                                --Bacon.
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   3. To fill by being pressed or packed into.
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            With inward arms the dire machine they load,
            And iron bowels stuff the dark abode. --Dryden.
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   4. (Cookery) To fill with a seasoning composition of bread,
      meat, condiments, etc.; as, to stuff a turkey.
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   5. To obstruct, as any of the organs; to affect with some
      obstruction in the organs of sense or respiration.
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            I'm stuffed, cousin; I can not smell. --Shak.
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   6. To fill the skin of, for the purpose of preserving as a
      specimen; -- said of birds or other animals.
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   7. To form or fashion by packing with the necessary material.
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            An Eastern king put a judge to death for an
            iniquitous sentence, and ordered his hide to be
            stuffed into a cushion, and placed upon the
            tribunal.                             --Swift.
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   8. To crowd with facts; to cram the mind of; sometimes, to
      crowd or fill with false or idle tales or fancies.
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   9. To put fraudulent votes into (a ballot box). [U. S.]
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The Collaborative International Dictionary of English v.0.48:

Stuff \Stuff\, v. i.
   To feed gluttonously; to cram.
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         Taught harmless man to cram and stuff.   --Swift.
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WordNet (r) 3.0 (2006):

stuff
    n 1: the tangible substance that goes into the makeup of a
         physical object; "coal is a hard black material"; "wheat is
         the stuff they use to make bread" [syn: material,
         stuff]
    2: miscellaneous unspecified objects; "the trunk was full of
       stuff"
    3: informal terms for personal possessions; "did you take all
       your clobber?" [syn: stuff, clobber]
    4: senseless talk; "don't give me that stuff" [syn: stuff,
       stuff and nonsense, hooey, poppycock]
    5: unspecified qualities required to do or be something; "the
       stuff of heros"; "you don't have the stuff to be a United
       States Marine"
    6: information in some unspecified form; "it was stuff I had
       heard before"; "there's good stuff in that book"
    7: a critically important or characteristic component; "suspense
       is the very stuff of narrative"
    v 1: cram into a cavity; "The child stuffed candy into his
         pockets"
    2: press or force; "Stuff money into an envelope"; "She thrust
       the letter into his hand" [syn: thrust, stuff, shove,
       squeeze]
    3: obstruct; "My nose is all stuffed"; "Her arteries are
       blocked" [syn: stuff, lug, choke up, block] [ant:
       loosen up, unstuff]
    4: overeat or eat immodestly; make a pig of oneself; "She
       stuffed herself at the dinner"; "The kids binged on ice
       cream" [syn: gorge, ingurgitate, overindulge, glut,
       englut, stuff, engorge, overgorge, overeat,
       gormandize, gormandise, gourmandize, binge, pig
       out, satiate, scarf out]
    5: treat with grease, fill, and prepare for mounting; "stuff a
       bearskin"
    6: fill tightly with a material; "stuff a pillow with feathers"
    7: fill with a stuffing while cooking; "Have you stuffed the
       turkey yet?" [syn: farce, stuff]