car·a·van·sa·ry 
(k
ăr
′ə-v
ăn
s
ə-r
ē) also
car·a·van·se·rai (-r
ī′)
n. pl. car·a·van·sa·ries also
car·a·van·se·rais 1. An inn built around a large court for accommodating caravans along trade routes in central and western Asia.
2. A large inn or hostelry. In both senses also called serai.
[French caravanserai, from Persian kārvānsarāy : kārvān, caravan + sarāy, camp, palace; see terə-2 in the Appendix of Indo-European roots.]