The Collaborative International Dictionary
Cyathiform
Cyathiform \Cy*ath"i*form\ (s?-?th"?-f?rm), a. [L. cyathus a cup (Gr, ky`aqos) -form:cf. F. cyathiforme.] In the form of a cup, a little widened at the top.
Wiktionary
cyathiform
a. In the form of a cup, a little widened at the top.