/puf"in/ , n.
any of several alcidine sea birds of the genera Fratercula and Lunda, having a short neck and a large, compressed, grooved bill, as F. arctica (Atlantic puffin) , of the North Atlantic.
[ 1300-50; ME poffoun, poffin, puffon (cf. AL poffo, puffo ); orig. uncert. ]