{Trochal disk} (Zo["o]l.), the cephalic disk of a rotifer. It is usually surrounded by a fringe of cilia. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
trochal — [trō′kəl] adj. [< Gr trochos (see TROCHE) + AL] Zool. resembling a wheel … English World dictionary
trochal — adj. Zool. wheel shaped. Phrases and idioms: trochal disc Zool. the retractable disc on the head of a rotifer bearing a crown of cilia, used for drawing in food or for propulsion. Etymology: Gk trokhos wheel … Useful english dictionary
Trochal disk — Trochal Tro chal, a. [From Gr. ? a wheel.] (Zo[ o]l.) Resembling a wheel. [1913 Webster] {Trochal disk} (Zo[ o]l.), the cephalic disk of a rotifer. It is usually surrounded by a fringe of cilia. [1913 Webster] … The Collaborative International Dictionary of English
trochal disc — noun Zoology each of two projections below the neck of the femur (thigh bone) to which muscles are attached. Origin C19: trochal from Gk trokhos wheel + al … English new terms dictionary
trochal — /troh keuhl/, adj. Zool. resembling a wheel. [1835 45; < Gk troch(ós) wheel + AL1] * * * … Universalium
trochal — tro·chal … English syllables
trochal — /ˈtroʊkəl/ (say trohkuhl) adjective resembling a wheel. {Greek trochos wheel + al1} …
trochal — a. wheel shaped … Dictionary of difficult words
trochal disc — (ROTIFERA) Anterior ciliated disc functioning in locomotion and/or food ingestion … Dictionary of invertebrate zoology
trochal disc — noun : the expanded flat to somewhat funnel shaped disc at the anterior end of a rotifer s body that serves to draw in food or to propel the animal … Useful english dictionary
