How to use cyathiform in a sentence
The form from which the group derives its generic appellation is that of the cup-shaped or cyathiform species (fig. 17).A Conchological Manual | George Brettingham Sowerby
cyathiform, sī′a-thi-form, adj. like a cup a little widened at top.
cyathiform, in the shape of a cup, or particularly of a wine-glass.The Elements of Botany | Asa Gray