duckpin

[ duhk-pin ]
/ ˈdʌkˌpɪn /

noun

Bowling. a short pin of relatively large diameter, used in a game resembling tenpins, and bowled at with small balls.
duckpins, (used with a singular verb) the game played with such pins.

Origin of duckpin

First recorded in 1905–10; so called from the pin's resemblance to the shape of a duck