Lewis Short
(adjective) : bĭlix, līcis, bis - licium
* With a double thread, two-threaded: lorica,Verg. A. 12, 375 Heyn.; cf. trilix.
‡†† billis apud Afros appellatur semen humanum humi profusum, Paul. ex Fest. p. 34 Müll.
Charlton T. Lewis, Charles Short, A Latin Dictionary