Lewis Short
(adjective) : prō-pătŭlus, a, um
* Open in front, not covered up, open, uncovered (class.): in aperto ac propatulo loco,Cic. Verr. 2, 4, 49, § 110.—More freq.
* Subst.: prōpătŭlum, i, n., an open or uncovered place.
* In phrase in propatulo (class.): in propatulo ac silvestribus locis, in the open air (opp.: domi sub tecto), Cic. Fragm. ap. Col. 12, 1: in propatulo aedium, in the open court, Liv 24, 16, 17.—Trop.: in propatulo, publicly (not in Cic. or Caes.): pudicitiam in propatulo habere,offer it publicly, expose it to sale,Sall. C. 13, 3: in propatulo esse,Gell. 18, 10, 8 (with in promptu); cf. id. 19, 14, 2; App. Mag. p. 284, 26: statuas in propatulo abicit,Nep. Hann. 9, 3.
* Abl.: propatulo, in the open air (postAug.): Mossyni propatulo vescuntur,Mel. 1, 19, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary