(gs) noun plural geese (gēs)
1. One of a sub-family (Anserinae) of wild or domesticated web-footed birds larger than ducks and smaller than swans. See GRAYLAG. ♦Collateral adjective: anserine.
2. The female of the goose: distinguished from gander.
3. plural goos·es A tailor's heavy smoothing iron, having a curved handle.
4. A silly creature; ninny.
5. Obs. An old game of chance, played with dice and counters.
—Canada goose The common North American wild goose (Branta canadensis), brownish-gray with black neck and head.
—to cook one's goose Colloq. To spoil one's chances; ruin a person.
—the goose hangs (or honks) high The prospect is good; everything is favorable. [OE gōs]

(gs) Slang v.t. goosed, goos·ing
1. To prod or poke unexpectedly from behind.
2. To accelerate an engine in irregular spurts.
—noun plural goos·es A sudden or unexpected prod or poke in the backside. [? Special use of GOOSE¹]