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

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

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.

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

plural of second opinion

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

(Christianity) The prophesied return of Jesus Christ.

singular of second thoughts

Of or pertaining to someone whose parents are immigrants / Of or pertaining to a second version of something that is materially different to the first

(US, idiomatic) After reconsidering; on further consideration.