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The Collaborative International Dictionary of English v.0.48 (gcide)

Rubythroat \Ru"by*throat`\, n. (Zool.)
Any one of numerous species of humming birds belonging to
{Trochilus}, {Calypte}, {Stellula}, and allies, in which the
male has on the throat a brilliant patch of red feathers
having metallic reflections; esp., the common humming bird of
the Eastern United States ({Trochilus colubris}).
[1913 Webster]


Trochilus \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.
(b) Any one of several species of wrens and kinglets.
[Obs.]
(c) The crocodile bird.
[1913 Webster]

2. (Arch.) An annular molding whose section is concave, like
the edge of a pulley; -- called also {scotia}.
[1913 Webster]

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