One who criticizes; a person who finds fault.
A specialist in judging works of art.
An opponent.
A person who appraises the works of others.
A person who complains or protests noisily.
An informant; a stool pigeon.
A loudspeaker used for frequencies intermediate between those of a woofer and a tweeter.
Something that squawks.
The radio used in police vehicles to keep in contact with headquarters.