‖ n. [ F. See Jealousy. ] 1. A Venetian or slatted inside window blind. [ 1913 Webster ]
2. A window or door made of multiple glass or plastic slats, which can be opened or closed like a jalousie{ 1 }. [ PJC ]
a. Furnished with jalousies; as, jalousied porches. [ 1913 Webster ]