Lewis & Short

commŏrātĭo, ōnis, f. [commoror].

  1. I. A dwelling, tarrying, abiding, lingering, sojourning (so only in Cic.): villa et amoenitas illa commorationis est, non deversorii, is suitable for a place of residence, Cic. Fam. 6, 19, 1: tabellariorum, id. Q. Fr. 3, 1, 7, § 23 (and perh. urbana, id. Fam. 9, 15, 3).
    1. B. In rhet. lang., a delaying, dwelling upon some important point, Auct. Her. 4, 45, 58; Cic. de Or. 3, 53, 202; Quint. 9, 1, 27; 9, 2, 4.
  2. II. Transf., an abiding place, dwelling (late Lat.), Vulg. Act. 1, 20; id. 3 Esd. 1, 21; 9, 37.