(vulgar, plural only) Having sex with someone soon after the person has had sex with someone else.

(US, education) The period in school that comes after first grade and before third grade.

(topology) Such that its topology has a countable base, said of a topological space.

(Christianity) The prophesied return of Jesus Christ.

A sheet of paper on which a carbon copy is made.

plural of second opinion

An appraisal or diagnosis by a knowledgeable professional, such as a lawyer or physician, who has been consulted in order to confirm or disconfirm the advice or view of another person previously consulted.

(sports) The period of play after half time, as opposed to the first half

(manufacturing) An item produced by a manufacturer and sold wholesale that has a minor blemish and therefore is offered at a lower price.

(American football) The second down in a series that has a maximum of four downs.