n.[C]

1. 单身男子，单身汉；鳏夫
2. （常大写）学士
   He became a Bachelor of Arts at the age of twenty.

   他二十岁时成了文学士。

3. （尚未交配的）小雄兽

n.

1. a man who is not and has never been married.
   ▸Zoology  a male bird or mammal prevented from breeding by a dominant male.
2. a person who holds a first degree from a university or other academic institution (only in titles or set expressions).
3. historical a young knight serving under another's banner.