Troch·i·li n. pl. Zool. A division of birds comprising the humming birds.
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Troch·i·lus n.; pl. Trochili
1. Zool. (a) A genus of humming birds. It Formerly included all the known species. (b) Any one of several species of wrens and kinglets. [Obs.] (c) The crocodile bird.
2. Arch. An annular molding whose section is concave, like the edge of a pulley; -- called also scotia.
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