semirotundus
sēmĭ-rŏtundus, a, um, adj.,
- half-round, semicircular (Apuleian): subterraneum, Ap. Met. 11, 6, 24; suggestus, id. ib. 5, 3, 4.
sēmi-rotundus, a, um, halbrund, suggestus, Apul. met. 3, 3: subterraneum, Apul. met. 9, 6: castra, Veget. mil. 1, 23.
ad ~i ferri quod ungule caballine inseritur equipollentiam
sēmĭrŏtundus, a, um, demi circulaire : Apul. M. 9, 6.