beak

beak

1. the projecting jaws of a bird, covered with a horny sheath; bill

2. any beaklike mouthpart in other animals, such as turtles

3. Architect the upper surface of a cornice, which slopes out to throw off water

4. Chem the part of a still or retort through which vapour passes to the condenser

5. Nautical another word for ram

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

beak

[bēk]

(botany)

Any pointed projection, as on some fruits, that resembles a bird bill.

(invertebrate zoology)

The tip of the umbo in bivalves.

(vertebrate zoology)

The bill of a bird or some other animal, such as the turtle.

A projecting jawbone element of certain fishes, such as the sawfish and pike.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.