Webster's Revised Unabridged Dictionary · 1913

Pee

Pee , noun

See 1st Pea.

Pee , noun

1.
(Nautical) Bill of an anchor. See Peak, 3 (c).
2.
Urine.
3.
The act of urinating; -- used in the informal take a pee, meaning, to urinate.

pee , intransitive verb

To urinate. [informal]