Lewis Short
(adjective) : căpĭtātus, a, um, id.
* Having a head (rare): clavulus,Varr. R. R. 2, 9, 15: et crassa natrix, Lucil. ap. Non. p. 65, 31: caepa,Plin. 19, 6, 32, § 105: porrum,id. 20, 6, 22, § 48; Pall. Febr. 24, 11: herba,Plin. 24, 19, 113, § 173: cunila,id. 32, 10, 44, § 126: vinea, a vine that grows in a head (opp. bracchiata), Col. 5, 5, 9 and 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary