Trochili :: Trochili (n. pl.) A division of birds comprising the humming birds.
Trochilic :: Trochilic (a.) OF or pertaining to rotary motion; having power to draw out or turn round.
Trochilics :: Trochilics (n.) The science of rotary motion, or of wheel work..
Trochilidist :: Trochilidist (n.) One who studies, or is versed in, the nature and habits of humming birds, or the Trochilidae..