Blue″bot′tle (�), n. 1. (Bot.) A plant (Centaurea cyanus) which grows in grain fields. It receives its name from its blue bottle-shaped flowers.
2. (Zoöl.) A large and troublesome species of blowfly (Musca vomitoria). Its body is steel blue.
Webster's Dictionary 1913
Blue″bot′tle (�), n. 1. (Bot.) A plant (Centaurea cyanus) which grows in grain fields. It receives its name from its blue bottle-shaped flowers.
2. (Zoöl.) A large and troublesome species of blowfly (Musca vomitoria). Its body is steel blue.