peer

Somebody who is, or something that is, at a level or of a value equal (to that of something else).

Someone who is approximately the same age (as someone else).

A noble with a title, i.e., a peerage, and in times past, with certain rights and privileges not enjoyed by commoners.

A look; a glance.

A comrade; a companion; an associate.

To look with difficulty, or as if searching for something.

(Internet) To carry communications traffic terminating on one's own network on an equivalency basis to and from another network, usually without charge or payment. Contrast with transit where one pays another network provider to carry one's traffic.

To make equal in rank.

(no longer used) To come in sight; to appear.

(informal) Someone who pees, someone who urinates.