turbo
turbo , noun
[Latin turbo, -inis, a top. See Turbine.]
(Zoology) Any one of numerous marine gastropods of the genus Turbo or family Turbinidae, usually having a turbinate shell, pearly on the inside, and a calcareous operculum.
turbo- , noun
Sontaining or using a turbine; -- a combining form; as, turbojet.