The Collaborative International Dictionary
Umbellar
Umbellar \Um"bel*lar\, a. (Bot.) Of or pertaining to an umbel; having the form of an umbel.
Wiktionary
umbellar
a. Of, pertaining to, bearing or having the form of an umbel
WordNet
umbellar
adj. bearing or consisting of or resembling umbels [syn: umbellate]