Definition of "gaper" [gap•er]

• One who gapes; a starer. (noun)
• A fish, taxonomic name Serranus cabrilla. (noun)

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• "[V, 1], the word gaper-block (or gapers 'block) -- a traffic jam caused by drivers gaping at an accident -- has been used by policemen reporting on Chicago traffic conditions for at least five years."
• "The Elysium seas feature a large scavenger called a gaper, whose hinged jaw is easily capable of taking up a person in a single swallow."
• "The chemist's sign, a large comic head with its mouth wide open (known as the gaper), is also subversive of confidence."