dub

Concise Oxford English Dictionary © 2008 Oxford University Press:
dub1

▶verb (dubs, dubbing, dubbed)

• 1 give an unofficial name or nickname to.

• 2 knight (someone) by the ritual touching of the shoulder with a sword.

• 3 dress (an artificial fishing fly) with fur or wool.

• 4 smear (leather) with grease.

– origin OE: from OFr. adober ‘equip with armour’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
dub2

▶verb (dubs, dubbing, dubbed)

• 1 provide (a film) with a soundtrack in a different language from the original.

  ■ add (sound effects or music) to a film or a recording.

• 2 make a copy of (a recording).

  ■ transfer (a recording) from one medium to another.

  ■ combine (two or more sound recordings) into one soundtrack.

▶noun

• 1 an instance of dubbing sound effects or music.

• 2 a style of popular music originating from the remixing of recorded music (especially reggae).

– derivatives
dubby adjective.

– origin 1920s: abbrev. of double.

Concise Oxford English Dictionary © 2008 Oxford University Press:
dub3 informal

▶noun US an inexperienced or unskilful person. ▶verb (dubs, dubbing, dubbed) Golf misplay (a shot).

– origin C19: perh. from dub1 in the obs. technical sense ‘make blunt’.