| Noun | 1. |  family Alcidae - web-footed diving seabirds of northern seas: auks; puffins; guillemots; murres; etc.bird family - a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings Charadriiformes, order Charadriiformes - large diverse order of aquatic birds found along seacoasts and inland waters: shorebirds and coastal diving birds; most feed on anima life auk - black-and-white short-necked web-footed diving bird of northern seas Alca, genus Alca - type genus of the Alcidae comprising solely the razorbill genus Plautus, Plautus - a genus of Alcidae genus Pinguinus, Pinguinus - great auk Cepphus, genus Cepphus - a genus of birds including: guillemots genus Uria, Uria - murres puffin - any of two genera of northern seabirds having short necks and brightly colored compressed bills Fratercula, genus Fratercula - puffins genus Lunda, Lunda - puffins  |