beak

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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.
References in periodicals archive ?
All true bugs have beaklike mouth parts designed for sucking juices from plants or animals.
Primary achalasia is characterized on barium studies by a dilated, flaccid esophagus with absent primary peristalsis in the esophageal body and impaired opening of the LES, causing a smooth, tapered, beaklike narrowing of the distal esophagus at or directly adjacent to the gastroesophageal junction (Figure 1).
We swam and snorkeled on a brilliant white beach, which, a lecture informed us, is actually thousands of years of fish poop; parrot and other fish munch on the dead coral with their beaklike mouths and create the white sand we so love.
Insectivorous species have thick, often prominent, lips, whereas those that hunt shrimps have an elongated beaklike premaxilla and crab-hunting species have strong curved teeth and a long lower mandible.
Roques could distinguish that Promontorium Lavinium had a blunt, beaklike tip, while Promontorium Olivium terminated in a long, narrow ridge that extended to the west of Promontorium Lavinium, separated by a narrow gap.
To emphasize a birdlike quality and downplay their actual humanness, the swans' bodies are whitened with makeup, and long, black, beaklike stripes decorate their brows.