a nocturnal European bird, Caprimulgus europaeus, of the family Caprimulgidae, having a short bill and a wide mouth and feeding on insects captured in the air.
2.
Also called goatsucker.any other nocturnal or crepuscular bird of the family Caprimulgidae.
Origin: 1620–30; night + jar2 (from its harsh cry)
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a stew of meat, vegetables, potatoes, etc.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a chattering or flighty, light-headed person.
a fool or simpleton; ninny.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
any nocturnal bird of the family Caprimulgidae, esp Caprimulgus europaeus (European nightjar): order Caprimulgiformes. They have a cryptic plumage and large eyes and feed on insects
[C17: night + jar², so called from its discordant cry]
nocturnal bird, goatsucker, 1630, from night + jar (v.). So called for the "jarring" sounds made by the male when the female is brooding, which have been described as a "churring trill that seems to change direction as it rises and falls."