1. any of several dark-gray aquatic birds of the genus Fulica of north america and europe, having a black head and neck, lobed toes, and a white bill.
2. see scoter.
3. informal an eccentric or crotchety person, especially an eccentric old man.

1. any of various aquatic birds of the genus Fulica that are mainly black with a prominent frontal shield on the forehead.
2. A stupid fellow; a simpleton
3. A success; something excellent.
4. body louse.

1.
2. 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
3. the surf duck or scoter. in the united states all the species of (Œdemia are called coots. see scoter.
4. A stupid fellow; a simpleton.

1. A lobiped grallatorial and natatorial bird, of the genus Fulica and family Rallidæ, having the toes broadly lobate, the culmen of the bill extended on the front as a boss or casque, short wings, a very short, cocked-up tail, or bobtail, and thick and duck-like plumage on the under surface of the body.
2. the foolish guillemot, Lomviatroile.
3. A scoter; one of the large black sea-ducks of the genera (Edemia, Pelionetta, and Melanetta.
4. A simpleton; a silly fellow.
5.

1. slate-black slow-flying birds somewhat resembling ducks