n. (Zool.) A very small humming bird (Microchaera albocoronata) native of New Grenada. [ 1913 Webster ]
☞ The feathers of the top of the head are white and snining, the body blue black with a purple and bronzy luster. The name is applied also to Microchaera parvirostris of Central America, which is similar in color. [ 1913 Webster ]