1. (n.) A thick head of flowers on a very short axis, as a clover top, or a dandelion; a composite flower. A capitulum may be either globular or flat.

2. (n.) A knoblike protuberance of any part, esp. at the end of a bone or cartilage.

born fool capitulum catkin clot cone congenital idiot corymb cretin cyme defective golem half-wit head idiot imbecile juggins mongoloid idiot moron natural natural idiot natural-born fool panicle pine cone raceme simp simpleton spadix spike spikelet strobile thyrse umbel verticillaster zany