sēmĭ-clausus

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.
Lewis & Short
A Latin Dictionary, 1879
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