Source : Webster's Revised Unabridged Dictionary (1913)

Bunny \Bun"ny\, n. (Mining)
   A great collection of ore without any vein coming into it or
   going out from it.

Bunny \Bun"ny\, n.
   A pet name for a rabbit or a squirrel.

Source : WordNet®

bunny
     n 1: a young waitress in a night club whose costume includes a
          rabbit-tail and ears [syn: {bunny girl}]
     2: (usually informal) especially a young rabbit [syn: {bunny
        rabbit}]