The anus or rectum; the buttocks, the backside. Also: the rump or vent of a quadruped or bird. Now chiefly archaic or humorous.

The anus; the rectum, or lower bowel: now chiefly of animals, esp. horses.

The anus. Cf. asshole, n. 1.

The fundament or anus.

slang. The anus. Frequently with preceding adjective; cf. brown eye n. at brown, adj. additions.

The opening at the posterior end of the alimentary canal in humans and most other animals, through which solid excrement (faeces) is ejected from the…

The anus or buttocks of a person.

the hole in a cask, which is closed with the bung; †transferred the anus (obsolete).

The anus or rectum. Obsolete.

The anus, anal, or excretory opening of (†persons or) animals, esp. of certain non-mammalians, as birds, fishes, and reptiles; †the vulva of a…

The vagina; the anus. Typically in sexual contexts, in early use usually as part of an extended metaphor of sense 1. Now rare.

the anus.

The anus; = arsehole, n. 1.

(a) Originally, in plural (humorous): the bowels; the buttocks. (b) In later use (Medicine and Biology): the anus or rectum; the cloaca of an animal…

The anus; = arsehole, n. 1.

slang. The anus. In extended use: anal intercourse, or an act of this.

The buttocks, the backside. Cf. ass, n.2

The buttocks or backside; the anus.

slang. The anus. to spew one's ring (and variants): to vomit violently.

the anus (cf. sense 7q); = arsehole, n.

The anus. Cf. asshole, n. 1.

A person's buttocks; the backside; (in extended use) the anus, the rectum.

the anus; (also) anal sex.

The anus; (derogatory) a stupid or unpleasant person.