cocky¹

adj.

(cockier, cockiest)

conceited or confident in a bold or cheeky way.

C16 (in the sense ‘lecherous’): from cock¹ + -y¹.

cocky²

n.

(pl. cockies)

Austral./NZ informal a cockatoo.

以上來源於：《簡明牛津英語詞典》