n.

1. 鸦，乌鸦[C]
2. 撬棍[C]
3. （大写）【天】乌鸦（星）座[the S]

vi.

1. （雄鸡）啼，报晓
2. （婴儿）欢叫，发格格声
3. （因胜利而）欢呼；得意扬扬，幸灾乐祸[（+about/over）]
   She crowed over his disappointment.

   她因他受了挫折而幸灾乐祸。

   He crowed about his promotion.

   他因获得晋升而自鸣得意。

n.[S]

1. （公鸡）啼叫声，报晓声
   The rooster's crow woke me.

   雄鸡的啼声把我吵醒。

2. （婴儿）欢叫声
3. 欢呼声

n.

1. a large perching bird with mostly glossy black plumage, a heavy bill, and a raucous voice. [Corvus corone (carrion crow) and related species, family Corvidae.]
2. informal an old or ugly woman.

v.

1. (of a cock) utter its characteristic loud cry.
2. express great pride or triumph, especially in a tone of gloating satisfaction.

n.

1. the cry of a cock.
2. a sound expressing great pride or triumph.