Definition of "clavate" []

• Biology Having one end thickened; club-shaped: clavate antennae. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Curious transformation in Carthamus was observed, either affecting the involucrum alone, when those branches that would have become flowers become clavate, covered with very dense aristate leaves, or affecting the florets which become more or less converted in the branches."
• "Capitate: with a head: that type of clavate antenna in which the club is abruptly enlarged at tip and forms a spherical mass."
• "A new species belonging to the tribe of Solitary Wasps, _Odynerus clavicornis_, is perhaps the most interesting insect in the collection; this Wasp has clavate antennæ, the flagellum being broadly dilated towards the apex, convex above and concave beneath."