Troch"i*lus (?), n.; pl. Trochili (#). [L.trochilus a kind of small bird. Gr. , fr. to run.]
1. Zool. (a)
A genus of humming birds. It Formerly included all the known species.
Any one of several species of wrens and kinglets.
The crocodile bird.
An annular molding whose section is concave, like the edge of a pulley; -- called also scotia.
© Webster 1913.