turbiniform, a. Nat. Hist.
(tɜːˈbɪnɪfɔːm)
[ad. mod.L. turbiniform-is, f. L. turbin-em: see turbo and -form.]
Top-shaped, turbinate; also, having the form of the genus Turbo of gastropods; turbinoid, spiral.
| 1826 Kirby & Sp. Entomol. IV. xlvi. 265 Turbiniform (Turbiniformis). Whose vertical section is turbinate, and horizontal circular. Ex. Antennæ of Aleochara socialis. 1856 Woodward Mollusca iii. 463 Vitrinella... Shell minute, hyaline, turbiniform, umbilicated. |