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bell 1

1. A hollow metal musical instrument, usually cup-shaped with a flared opening, that emits a metallic tone when struck.
2. Something resembling such an instrument in shape or sound, as:
a. The round, flared opening of a wind instrument at the opposite end from the mouthpiece.
b. bells A percussion instrument consisting of metal tubes or bars that emit tones when struck.
c. A hollow, usually inverted vessel, such as one used for diving deep below the surface of a body of water.
d. The corolla of a flower: "In a cowslip's bell I lie" (Shakespeare).
e. The body of a jellyfish.
3. Nautical
a. A stroke on a hollow metal instrument to mark the hour.
b. The time indicated by the striking of this instrument, divided into half hours.
v. belled, bell·ing, bells
1. To put a bell on.
2. To cause to flare like a bell.
To assume the form of a bell; flare.
bell the cat
To perform a daring act.

[Middle English belle, from Old English.]

bell 2

The bellowing or baying cry of certain animals, such as a deer in rut or a beagle on the hunt.
intr.v. belled, bell·ing, bells
To utter long, deep, resonant sounds; bellow.

[From Middle English bellen, to bellow, from Old English bellan.]