1) Harem 1) Its occupants collectively 2) Quarters for Hindu women 3) Seraglio 
==Unmanned Aerial Vehicles == Zenana has also come to be used as term for drone aircraft, particularly in the Gaza Strip. The term is both onomatopoeic and relates to the a slang term for a nagging wife. == Zenana missions == The Zenana missions were by women missionaries, who went to Indian women in their own homes with the aim of converting them...
system of segregating women away from men in harems
• (n.) The part of a dwelling appropriated to women.
part of a Muslim house in which women are secluded
Ze·na'na noun [ Hind. zenāna , zanāna , from Persian zanāna , from zan woman; akin to English queen .] The part of a dwelling appropriated to women. [ India] 
the part of the house in which the women and girls of a family are secluded. · its occupants collectively.