Lewis & Short

mŏlīnus, a, um, adj. [mola], of or belonging to a mill, mill- (eccl. Lat.): saxum, Tert. adv. Marc. 4, 35.
Hence, as subst.

  1. A. mŏlīna, ae, f., a mill, Amm. 18, 8, 11.
  2. B. mŏlīnum, i, n., a mill, Cassiod. Inst. Div. Litt. 29.