squawker

nounB1

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Danh từ

noun

Plural noun:

squawkers

1.
Something that squawks.
2.
A person who complains or protests noisily.
3.
(slang)An informant; a stool pigeon.
4.
A loudspeaker used for frequencies intermediate between those of a woofer and a tweeter.
5.
(slang)The radio used in police vehicles to keep in contact with headquarters.