Coot

Part of speech: noun (n.)

1. A wading bird with lobate toes, of the genus Fulica. The common European or bald coot is F. atra (see under bald); the American is F. Americana.

2. The surf duck or scoter. In the United States all the species of (Edemia are called coots. See Scoter. "As simple as a coot." Halliwell.

3. A stupid fellow; a simpleton; as, a silly coot. [Colloq.]