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Webster 1913 Edition

Noun.

One who utters gibes.

B. Jonson.

Noun.

One who utters reproachful, censorious and contemptuous expressions, or who casts cutting, sarcastic reflections; one who derides; a scoffer.

giber ‎(plural gibers)

One who utters gibes.
(Can we find and add a quotation of Ben Jonson to this entry?)