The Collaborative International Dictionary of English v.0.48:

Tip \Tip\, v. t. [imp. & p. p. Tipped; p. pr. & vb. n.
   Tipping.]
   To form a point upon; to cover the tip, top, or end of; as,
   to tip anything with gold or silver.
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         With truncheon tipped with iron head.    --Hudibras.
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         Tipped with jet,
         Fair ermines spotless as the snows they press.
                                                  --Thomson.
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The Collaborative International Dictionary of English v.0.48:

Tip \Tip\, v. t. [Cf. LG. tippen to tap, Sw. tippa, and E. tap
   to strike gently.]
   1. To strike slightly; to tap.
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            A third rogue tips me by the elbow.   --Swift.
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   2. To bestow a gift, or douceur, upon; to give a present to;
      as, to tip a servant. [Colloq.] --Thackeray.
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   3. To lower one end of, or to throw upon the end; to tilt;
      as, to tip a cask; to tip a cart.
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   To tip off, to pour out, as liquor.

   To tip over, to overturn.

   To tip the wink, to direct a wink; to give a hint or
      suggestion by, or as by, a wink. [Slang] --Pope.

   To tip up, to turn partly over by raising one end.
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The Collaborative International Dictionary of English v.0.48:

Tip \Tip\, n. [Akin to D. & Dan. tip, LG. & Sw. tipp, G. zipfel,
   and probably to E. tap a plug, a pipe.]
   1. The point or extremity of anything; a pointed or somewhat
      sharply rounded end; the end; as, the tip of the finger;
      the tip of a spear.
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            To the very tip of the nose.          --Shak.
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   2. An end piece or part; a piece, as a cap, nozzle, ferrule,
      or point, applied to the extreme end of anything; as, a
      tip for an umbrella, a shoe, a gas burner, etc.
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   3. (Hat Manuf.) A piece of stiffened lining pasted on the
      inside of a hat crown.
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   4. A thin, boarded brush made of camel's hair, used by
      gilders in lifting gold leaf.
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   5. Rubbish thrown from a quarry.
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The Collaborative International Dictionary of English v.0.48:

Tip \Tip\, v. i.
   To fall on, or incline to, one side. --Bunyan.
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   To tip off, to fall off by tipping.
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The Collaborative International Dictionary of English v.0.48:

Tip \Tip\, n. [See Tip to strike slightly, and cf. Tap a
   slight blow.]
   1. A light touch or blow; a tap.
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   2. A gift; a douceur; a fee. [Colloq.]
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   3. A hint, or secret intimation, as to the chances in a horse
      race, or the like. [Sporting Cant]
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WordNet (r) 3.0 (2006):

tip
    n 1: the extreme end of something; especially something pointed
    2: a relatively small amount of money given for services
       rendered (as by a waiter) [syn: gratuity, tip,
       pourboire, baksheesh, bakshish, bakshis,
       backsheesh]
    3: an indication of potential opportunity; "he got a tip on the
       stock market"; "a good lead for a job" [syn: tip, lead,
       steer, confidential information, wind, hint]
    4: a V shape; "the cannibal's teeth were filed to sharp points"
       [syn: point, tip, peak]
    5: the top or extreme point of something (usually a mountain or
       hill); "the view from the peak was magnificent"; "they
       clambered to the tip of Monadnock"; "the region is a few
       molecules wide at the summit" [syn: peak, crown, crest,
       top, tip, summit]
    v 1: cause to tilt; "tip the screen upward"
    2: mark with a tip; "tip the arrow with the small stone"
    3: give a tip or gratuity to in return for a service, beyond the
       compensation agreed on; "Remember to tip the waiter"; "fee
       the steward" [syn: tip, fee, bung]
    4: cause to topple or tumble by pushing [syn: topple,
       tumble, tip]
    5: to incline or bend from a vertical position; "She leaned over
       the banister" [syn: lean, tilt, tip, slant, angle]
    6: walk on one's toes [syn: tiptoe, tip, tippytoe]
    7: strike lightly; "He tapped me on the shoulder" [syn: tap,
       tip]
    8: give insider information or advise to; "He tipped off the
       police about the terrorist plot" [syn: tip off, tip]
    9: remove the tip from; "tip artichokes"

The Free On-line Dictionary of Computing (19 January 2023):

TIP

   1. Texas Instruments Pascal.

   2. A Unix program for interactive communication via serial
   lines.

   Unix manual page: tip(1).