lion Definition

lion
noun

1. A large member of the cat family, found mainly in Africa, with a tawny coat, a tufted tail, and, in the male, a long thick tawny or black mane on the head, neck and shoulders.
2. The male of this species, as opposed to the female.
3. Someone who is brave.
4. Someone who is the centre of public attention.
5a. astron.
The constellation of Leo;
Form: the Lion
5b. astrol.
The sign of the zodiac, Leo.
Form: the Lion

Idiom: the lion's share

The largest share.

Idiom: put one's head in the lion's mouth

To put oneself in a dangerous position. See leonine, lioness.

Etymology: 13c: from French luin, direct from Latin leo.