trochilus

‖n.; pl. Trochili [ L. trochilus a kind of small bird. Gr. &unr_;, fr. &unr_; 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 ]

n.; pl. L. Troili E. Troiluses [ NL., fr. L. Troilus, Gr. &unr_;, the son of Priam. ] (Zool.) A large, handsome American butterfly (Euphœades troilus, or Papilio troilus). It is black, with yellow marginal spots on the front wings, and blue spots on the rear wings; -- also called troilus butterfly. [ 1913 Webster ]