Definition of goose noun from the Oxford Advanced Learner's Dictionary

goose

noun
ɡuːs
 
; ɡuːs
 
 
plural geese
ɡiːs
 
; ɡiːs
 
1 [countable] a bird like a large duck with a long neck.Geese either live wild or are kept on farms.2 [uncountable] meat from a gooseroast goose3 [countable] a female goose compare gander4 [countable] (old-fashioned, informal) a silly person see also wild goose chase
Idioms
see
cook somebody's goose at cook v.
, kill the goose that lays the golden eggs at kill v., what's sauce for the goose is sauce for the gander at sauce, not say boo to a goose at say v.