Source : Webster's Revised Unabridged Dictionary (1913)

Cap \Cap\, v. t. [imp. & p. p. {Capped}; p. pr. & vb. n.
   {Capping}.]
   1. To cover with a cap, or as with a cap; to provide with a
      cap or cover; to cover the top or end of; to place a cap
      upon the proper part of; as, to cap a post; to cap a gun.

            The bones next the joint are capped with a smooth
            cartilaginous substance.              --Derham.

   2. To deprive of cap. [Obs.] --Spenser.

   3. To complete; to crown; to bring to the highest point or
      consummation; as, to cap the climax of absurdity.

   4. To salute by removing the cap. [Slang. Eng.]

            Tom . . . capped the proctor with the profoundest of
            bows.                                 --Thackeray.

   5. To match; to mate in contest; to furnish a complement to;
      as, to cap text; to cap proverbs. --Shak.

            Now I have him under girdle I'll cap verses with him
            to the end of the chapter.            --Dryden.

   Note: In capping verses, when one quotes a verse another must
         cap it by quoting one beginning with the last letter of
         the first letter, or with the first letter of the last
         word, or ending with a rhyming word, or by applying any
         other arbitrary rule may be agreed upon.

Source : WordNet®

capping
     See {cap}

cap
     n 1: a tight-fitting headdress
     2: a top (as for a bottle)
     3: a mechanical or electrical explosive device or a small
        amount of explosive; can be used to initiate the reaction
        of a disrupting explosive [syn: {detonator}, {detonating
        device}]
     4: something serving as a cover or protection
     5: a fruiting structure resembling an umbrella that forms the
        top of a stalked fleshy fungus such as a mushroom [syn: {pileus}]
     6: an upper limit on what is allowed; "they established a cap
        for prices" [syn: {ceiling}]
     7: dental appliance consisting of an artificial crown for a
        tooth [syn: {crownwork}]
     8: the upper part of a column that supports the entablature
        [syn: {capital}, {chapiter}]
     [also: {capping}, {capped}]

cap
     v 1: lie at the top of; "Snow capped the mountains" [syn: {crest}]
     2: restrict the number or amount of; "We had to cap the number
        of people we can accept into our club"
     [also: {capping}, {capped}]