beak

(redirected from beakless)
Also found in: Dictionary, Thesaurus, Medical.

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

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.
References in periodicals archive ?
Species of section Siderostictae have leaves much broader than in most carices, androgynous spikes often binate or ternate at the inflorescence nodes, beakless perigynia with obtuse pistillate scales, and they occasionally have rachillae with terminal male flowers protruding from the perigynia.