The Collaborative International Dictionary of English v.0.48:

Blade \Blade\ (bl[=a]d), v. t.
   To furnish with a blade.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Blade \Blade\, v. i.
   To put forth or have a blade.
   [1913 Webster]

         As sweet a plant, as fair a flower, is faded
         As ever in the Muses' garden bladed.     --P. Fletcher.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Blade \Blade\ (bl[=a]d), n. [OE. blade, blad, AS. bl[ae]d leaf;
   akin to OS., D., Dan., & Sw. blad, Icel. bla[eth], OHG. blat,
   G. blatt, and perh. to L. folium, Gr. fy`llon. The root is
   prob. the same as that of AS. bl[=o]wan, E. blow, to blossom.
   See Blow to blossom, and cf. Foil leaf of metal.]
   [1913 Webster]
   1. Properly, the leaf, or flat part of the leaf, of any
      plant, especially of gramineous plants. The term is
      sometimes applied to the spire of grasses.
      [1913 Webster]

            The crimson dulse . . . with its waving blade.
                                                  --Percival.
      [1913 Webster]

            First the blade, then ear, after that the full corn
            in the ear.                           --Mark iv. 28.
      [1913 Webster]

   2. The cutting part of an instrument; as, the blade of a
      knife or a sword.
      [1913 Webster]

   3. The broad part of an oar; also, one of the projecting arms
      of a screw propeller.
      [1913 Webster]

   4. The scapula or shoulder blade.
      [1913 Webster]

   5. pl. (Arch.) The principal rafters of a roof. --Weale.
      [1913 Webster]

   6. pl. (Com.) The four large shell plates on the sides, and
      the five large ones of the middle, of the carapace of the
      sea turtle, which yield the best tortoise shell. --De
      Colange.
      [1913 Webster]

   7. A sharp-witted, dashing, wild, or reckless, fellow; -- a
      word of somewhat indefinite meaning.
      [1913 Webster]

            He saw a turnkey in a trice
            Fetter a troublesome blade.           --Coleridge.
      [1913 Webster]

   8. The flat part of the tongue immediately behind the tip, or
      point.
      [1913 Webster]

            "Lower blade" implies, of course, the lower instead
            of the upper surface of the tongue.   --H. Sweet.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

blade
    n 1: especially a leaf of grass or the broad portion of a leaf
         as distinct from the petiole [syn: blade, leaf blade]
    2: a dashing young man; "gay young blades bragged of their
       amorous adventures"
    3: something long and thin resembling a blade of grass; "a blade
       of lint on his suit"
    4: a cutting or thrusting weapon that has a long metal blade and
       a hilt with a hand guard [syn: sword, blade, brand,
       steel]
    5: a cut of beef from the shoulder blade
    6: a broad flat body part (as of the shoulder or tongue)
    7: the part of the skate that slides on the ice
    8: flat surface that rotates and pushes against air or water
       [syn: blade, vane]
    9: the flat part of a tool or weapon that (usually) has a
       cutting edge

Moby Thesaurus II by Grady Ward, 1.0:

167 Moby Thesaurus words for "blade":
   Beau Brummel, Excalibur, Skimobile, Sno-Cat, alveolar ridge,
   alveolus, apex, arytenoid cartilages, ax, back, battler, bayonet,
   beau, belligerent, belted knight, bickerer, blood, boulevardier,
   bract, bracteole, bractlet, bravo, brawler, bully, bullyboy,
   clotheshorse, cold steel, combatant, competitor, contender,
   contestant, cotyledon, coxcomb, cutlass, cutlery, cutter,
   cutting edge, dagger, dandy, disputant, dorsum, dude, duelist,
   edge tools, enforcer, exquisite, fashion plate, fencer, feuder,
   fighter, fighting cock, fine gentleman, flag, floral leaf,
   foilsman, foliole, fop, fribble, frond, gallant, gamecock,
   gladiator, glume, goon, gorilla, hard palate, hatchet man, hood,
   hoodlum, hooligan, involucre, involucrum, jack-a-dandy, jackanapes,
   jackknife, jouster, knife, knight, lady-killer, lamina, larynx,
   leaf, leaflet, lemma, ligule, lips, macaroni, man-about-town,
   masher, militant, naked steel, nasal cavity, needle, oral cavity,
   palate, penknife, petal, pharyngeal cavity, pharynx, pigsticker,
   pile, pine needle, playboy, plug-ugly, point, poniard, puncturer,
   puppy, quarreler, rapier, rioter, rival, rough, rowdy, ruffian,
   runner, sabreur, scrapper, scuffler, seed leaf, sepal, sharpener,
   shoot, sled, sleigh, snowmobile, soft palate, spark, spathe, spear,
   speech organ, spire, sport, squabbler, steel, stiletto, stipula,
   stipule, strong arm, strong-arm man, strong-armer, struggler,
   swashbuckler, swell, sword, swordplayer, swordsman, syrinx, teeth,
   teeth ridge, thug, tilter, tip, toad sticker, tongue, tough,
   trusty sword, tussler, velum, vocal chink, vocal cords,
   vocal folds, vocal processes, voice box, weasel, whittle,
   wrangler



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

BLADE
       Basic Linear Algebra for Distributed Environments


Easton's 1897 Bible Dictionary:

Blade
   applied to the glittering point of a spear (Job 39:23) or sword
   (Nah. 3:3), the blade of a dagger (Judg. 3:22); the "shoulder
   blade" (Job 31:22); the "blade" of cereals (Matt. 13:26).