What is Lounge ?
Lounge is (noun) a comfortable room for sitting in Let’s go and watch TV in the lounge. (verb) to lounge about to sit or lie doing nothing or very little He doesn’t do anything on Saturdays, he just lounges about waiting for the pubs to open. It rained all the time, so we had to spend the day lounging about in the hotel.
source: Easier English, Student Dictionary Upper Intermediate Level