(Jazz-age or flapper slang) An idler or pleasure-seeker; a person who spends considerable time loitering in bars and cocktail lounges. / A lounge singer, especially in Las Vegas.

(Britain) A man’s suit.

Alternative spelling of ultra lounge

A nightclub that has a subdued atmosphere and facilities for social intercourse

(US) Synonym of chaise longue

(US) A commercial space where people may sew, or learn to sew, as members of a community; equipment and tuition is normally available

plural of transit lounge

(aviation) A waiting room at an (international) airport for passengers changing flights, or for long-haul passengers who have to leave their aircraft while it is serviced and refuelled (in both cases for passengers who haven't finished their journey).

buffet car

A rooftop area for relaxation on a multi-storey building.