Orchŏmĕnus — Lewis & Short
Orchŏmĕnus or -os, i, m. or f. (and -on or -um, i, n.), = *)orxo/menos.
Minyius,Plin. 4, 8, 15, § 29.—Hence,
lacus,Plin. 16, 36, 66, § 168:
calamus,id. 16, 36, 66, § 164.—Plur subst.: Orchŏmĕnii, ōrum, m., the inhabitants of Orchomenos, the Orchomenians, Nep. Lys. 3, 4; Just. 11, 3.—
sub Orchomenon, Ov, M. 5, 607: Orchomenum,Plin. 4, 6, 10, § 20.