Puf"fin (pŭf"f&ibreve;n), n. [Akin to puff.] 1. (Zoöl.) An arctic sea bird Fratercula arctica) allied to the auks, and having a short, thick, swollen beak, whence the name; -- called also bottle nose, cockandy, coulterneb, marrot, mormon, pope, and sea parrot.

&fist; The name is also applied to other related species, as the horned puffin (F. corniculata), the tufted puffin (Lunda cirrhata), and the razorbill.

2. (Bot.) The puffball.

3. A sort of apple. [Obs.] Rider's Dict. (1640).

• Any of various small seabirds of the genus Fratercula that are black and white with a brightly coloured beak.