trochiform, a. Zool.
(ˈtrɒkɪfɔːm)
[f. trochus + -[i]form.]
Having the form of a trochus or top-shell; top-shaped; = trochoid a. 2.
| 1822 J. Parkinson Outl. Oryctol. 250 The single trochiform shell, Trochus Anglicanus of Lister. 1875 C. C. Blake Zool. 257 The shell is ear-shaped, spiral, or trochiform. |