from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various stout flightless marine birds of the family Spheniscidae, of cool regions of the Southern Hemisphere, having flipperlike wings and webbed feet adapted for swimming and diving, and short scalelike feathers that are white in front and black on the back.
- n. Obsolete The great auk.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A nun (because of the black and white habit).
- n. A type of catch where the palm of the hand is facing towards the leg with the arm stretched downward, resembling the flipper of a penguin.
- n. A spiny bromeliad with egg-shaped fleshy fruit.
from the GNU version of the Collaborative International Dictionary of English
- n. Any bird of the order Impennes, or Ptilopteri. They are covered with short, thick feathers, almost scalelike on the wings, which are without true quills. They are unable to fly, but use their wings to aid in diving, in which they are very expert. See King penguin, under jackass.
- n. The egg-shaped fleshy fruit of a West Indian plant (Bromelia Pinguin) of the Pineapple family; also, the plant itself, which has rigid, pointed, and spiny-toothed leaves, and is used for hedges.
from The Century Dictionary and Cyclopedia
- n. The great auk, Alca impennis; the original sense.
- n. Any species of the family Spheniscidæ or Aptenodytidæ. (See Spheniscidæ for technical characters.)
- n. The wild pineapple, Bromelia Pinguin.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers
Possibly from Welsh pen gwyn, White Head (name of an island in Newfoundland), great auk : pen, chief, head + gwynn, white.(American Heritage® Dictionary of the English Language, Fourth Edition)
Unknown origin. Possibly from Welsh pen ("head") and gwyn ("white"), or from Latin pinguis ("fat"). See citations and the Wikipedia page. (Wiktionary)