The Collaborative International Dictionary
Tripinnate
Tripinnate \Tri*pin"nate\, a. [Pref. tri- + pinnate.] (Bot.) Having bipinnate leaflets arranged on each side of a rhachis.
Wiktionary
tripinnate
a. (context botany English) Having bipinnate leaflets arranged on each side of a rhachis.
WordNet
tripinnate
adj. of a leaf shape thrice pinnate [syn: tripinnated]