(dub) v.t. dubbed, dub·bing
1. To confer knighthood upon by tapping on the shoulder with a sword.
2. To name or style; entitle.
3. To smooth or rub; dress, as timber. [OE dubbian]

(dub) v.t. & v.i. dubbed, dub·bing
1. To push or thrust.
2. To beat (a drum).
—noun
1. A blow.
2. A beat of a drum. [Prob. imit.]

(dub) Slang noun
A clumsy, blundering person; a poor or second–rate player in any game.
—v.t. dubbed, dub·bing To bungle. [? <DUB²]

(dub) noun Scot.
A pool; puddle.

(dub) v.t. dubbed, dub·bing
To re–record (a sound record) in order to change volume or frequency.
—to dub in
1. In motion pictures, to insert (a new sound track) into a film.
2. To blend (new sounds, music, etc.) into the sound track of a film, or into a radio or television broadcast. [Short for DOUBLE]