Guil'le-mōt', n.

noun

(gĭl'le-mŏt'), n. [Fr. guillemot; W. chwilawg.] A marine diving bird of the genus Uria, having very stout legs, and three completely webbed toes, allied to the penguins, auks, and divers, and found in the northern parts of Europe, Asia, and America. The common guillemot, or willock, is the U. troile; the black guillemot, or dovekie, is the U. grylle.

An engraved illustration of a guillemot standing upright, shown in profile with its long pointed beak and webbed feet.
Guillemot (Uria troile).