The Collaborative International Dictionary
Verticillate
Verticillate \Ver*tic"il*late\ (?; 277), Verticillated \Ver*tic"il*la`ted\, a. [See Verticil.] (Bot. & Zo["o]l.) Arranged in a transverse whorl or whorls like the rays of a wheel; as, verticillate leaves of a plant; a verticillate shell.
Wiktionary
verticillate
a. (context botany English) Forming whorls
WordNet
verticillate
adj. forming one or more whorls (especially a whorl of leaves around a stem) [syn: verticillated, whorled]