Lewis Short
(adjective) : sēmĭ-clausus (-clūsus), a, um, claudo
* Half-shut, half-closed: os,App. M. 10, p. 243: postica,Amm. 18, 6, 11: SILVANE SEMICLVSE FRAXINO (because only half was visible),Inscr. Orell. 1613.
Charlton T. Lewis, Charles Short, A Latin Dictionary