Source : Webster's Revised Unabridged Dictionary (1913)

Clavate \Cla"vate\, Clavated \Cla"va*ted\, a. [L. clava club.]
   (Bot. & Zo["o]l.)
   Club-shaped; having the form of a club; growing gradually
   thicker toward the top.

   Note: [See Illust. of {Antennae}.]