Defn: Of or pertaining to the genus Trochus or family Trochidæ.
TROCHOIDAL
Tro*choid"al, a.
1. (Geom.)
Defn: Of or pertaining to a trochoid; having the properties of a trochoid.
2. (Anat. & Zoöl.)
Defn: See Trochoid, a.
TROCHOMETER
Tro*chom"e*ter, n. Etym: [Gr. -meter.]
Defn: A contrivance for computing the revolutions of a wheel; an odometer.
TROCHOSPHERE
Troch"o*sphere, n. Etym: [Gr. sphere.] (Zoöl.)
Defn: A young larval form of many annelids, mollusks, and bryozoans, in which a circle of cilia is developed around the anterior end.