barb Noun The point that stands backward in an arrow, fishhook, etc., to prevent it from being easily extracted. Hence: Anything which stands out with a sharp point obliquely or crosswise to something else.
barb Noun A beard, or that which resembles it, or grows in the place of it.
barb Noun Armor for a horse, corrupted from bard.
barb Noun One of the side branches of a feather, which collectively constitute the vane.
barb Noun Several species of freshwater fish of the Cyprinid family.
barb Noun A southern name for the kingfishes of the eastern and southeastern coasts of the United States; -- also improperly called whiting.
barb Noun A hair or bristle ending in a double hook.
barb Noun A blackish or dun variety of the pigeon, originally brought from Barbary.
barb Noun A muffler, worn by nuns and mourners.
barb Noun Paps, or little projections, of the mucous membrane, which mark the opening of the submaxillary glands under the tongue in horses and cattle. The name is mostly applied when the barbs are inflamed and swollen. [Written also barbel and barble.]
barb Noun A bit for a horse.
barb Verb To furnish with barbs, or with that which will hold or hurt like barbs, as an arrow, fishhook, spear, etc.
barb Verb To cover a horse in armor, corrupted from bard.
barb Verb To shave or dress the beard of.
barb Verb To clip; to mow.
barb Noun The Barbary horse, a superior breed introduces from Barbary into Spain by the Moors.