'Coot' definitions:

Definition of 'coot'

From: WordNet
noun
Slate-black slow-flying birds somewhat resembling ducks

Definition of 'Coot'

From: GCIDE
  • Coot \Coot\ (k[=oo]t), n. [Cf. D. koet, W. cwtair; cwta short, bodtailed + iar hen; cf. cwtau to dock. Cf. Cut.]
  • 1. (Zool.) (a) A wading bird with lobate toes, of the genus Fulica. The common European or bald coot is Fulica atra (see under bald); the American is Fulica Americana. (b) The surf duck or scoter. In the United States all the species of ([OE]demia are called coots. See Scoter. "As simple as a coot." --Halliwell. [1913 Webster]
  • 2. A stupid fellow; a simpleton; as, a silly coot. [Colloq.] [1913 Webster]