Wa"ter pen"ny*wort` (?). (Bot.) Marsh pennywort. See under Marsh.
Wa"ter pep"per (?). (Bot.) (a) Smartweed. (b) Waterwort.
Wa"ter pheas"ant (?). (Zoöl.) (a) The pintail. See Pintail, n., 1. (b)
The goosander. (c) The hooded merganser.
Wa"ter pi"et (?). (Zoöl.) The water ousel.
Wa"ter pig` (?). 1. (Zoöl.) The capybara.