[gil-uh-mot] 
| 1. | a black or brown-speckled seabird of the genus Cepphus, of northern seas, having a sharply pointed black bill, red legs, and white wing patches, as C. grylle (black guillemot), of the North Atlantic and the similar C. columba (pigeon guillemot) of the North Pacific. |
| 2. | British. a murre of the genus Uria. |
| black guillemot | |
noun | |
| northern Atlantic guillemot |