The crossword solution for the term 'HIS DOMAIN IS LOVER'S LANE' is SWAIN, which is a five letter word. A SWAIN is a young man who is in love or is courting a woman. The phrase 'LOVER's Lane' is often used to refer to a secluded area where couples go to be alone and express their love for each other. Therefore, the phrase 'HIS DOMAIN IS LOVER'S LANE' can be interpreted as a young man's domain being a place where he can express his love for his partner.