chopper

(noun) a grounder that bounces high in the air. Synonyms: chop.

(noun) informal terms for a human `tooth'. Synonyms: pearly.

(noun) an aircraft without wings that obtains its lift from the rotation of overhead blades. Synonyms: helicopter, whirlybird, eggbeater.

(noun) a butcher's knife having a large square blade. Synonyms: cleaver, meat cleaver.