Rex¹

n.

the reigning king (following a name or in the titles of lawsuits, e.g. Rex v. Jones: the Crown versus Jones).

L., lit. ‘king’.

Rex²

n.

a cat of a breed with curly fur, which lacks guard hairs.

以上来源于：《简明牛津英语词典》

以上来源于：《英汉法律词典》