The Collaborative International Dictionary
Cymbiform
Cymbiform \Cym"bi*form\ (s?m"b?-f?rm),, a. [L. cymba boat (Gr. ????) + -form: cf. F. cymbiforme.] Shaped like a boat; (Bot.) elongated and having the upper surface decidedly concave, as the glumes of many grasses. [1913 Webster] ||
Wiktionary
cymbiform
a. 1 Shaped like a boat. 2 (context botany English) Elongated and having the upper surface decidedly concave, as in the glumes of many grasses.