1.nounThe young of the Manx shearwater (Puffinus puffinus), especially eaten as food.
2.nounThe Atlantic puffin (Fratercula arctica) or (by extension) any of the other various small seabirds of the genera Fratercula and Lunda that are black and white with a brightly-coloured beak.
3.nounAny of various African and Asian pierid butterflies of the genus Appias. Some species of this genus are also known as albatrosses.