sēmĭ-clausus — Lewis & Short
sēmĭ-clausus (-clūsus), a, um, adj.claudo,
I 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.