Lewis Short
(adverb) : ostĭātim, id..
* Lit., from door to door, from house to house (class.): ostiatim oppidum compilare,Cic. Verr. 2, 4, 24, § 53: agere crimen,to enumerate the several houses where a crime was perpetrated,id. ib. 2, 4, 22, § 48: nec scrutanda singula et velut ostiatim pulsanda,Quint. 5, 10, 112.
* Transf., by particulars or details (post-class.): quicumque ostiatim cupit noscere (wishes to know the particulars), legat, Vop. Carin. 17.
Charlton T. Lewis, Charles Short, A Latin Dictionary