adj. 1. Having a cusp. 2. Biology Terminating in or tipped with a sharp firm point: a cuspidate leaf apex. [Latin cuspidātus, past participle of cuspidāre, to make pointed, from cuspis, cuspid-, point.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.