Entry 5 senses · 3 variants Webster, 1913 Pee /pē/ · IPA /ˈpiː/ n. n. v. i. 01 n. See 1st Pea. 1. See 1st Pea. See: Pea 02 n. Bill of an anchor. See Peak, 3 (c). 1. Bill of an anchor. See Peak, 3 (c).(Naut.) See: Peak 2. Urine. 3. The act of urinating; -- used in the informal take a pee, meaning, to urinate. 03 v. i. To urinate. 1. To urinate.[informal]