A sexual partner, especially one with whom someone is having an affair.
A person who loves something.
An informal term of address for any friend.
One who loves and cares for another person in a romantic way; a sweetheart, love, soulmate, boyfriend, girlfriend, or spouse.
Either of the two partners involved in such a single sexual encounter.
A single sexual encounter between two individuals, where at least one of the partners has no immediate intention or expectation of establishing a longer-term sexual or romantic relationship. As the phrase implies, the relationship lasts for only one night.
An occasion when a performer or team of them (especially in vaudeville) expects to perform at a theater for a single evening.