(US) A semi-outdoor recreation room, typically an enclosed patio or sunroom used as a sleeping patio before the advent of air conditioning.

Alternative form of chat room

A room in which votes are counted.

A room designated for people who wish to smoke.

Archaic form of bedroom.

(Internet) A forum or message board.

A bathroom (or area within a bathroom) in which a shower is not surrounded by any barrier

(informal) The opportunity to make alternative decisions or to pursue other courses of action, especially any involving only minor changes to one's present situation or course.

A room, usually in a house or hotel, in which there is a billiard table.

guest room