(historical) A turn-out of a carriage and two horses.

plural of slot pair

(aviation) The commercial rights for an airline to take off and land planes at a particular airport at a particular time.

A poker hand that contains two cards of one rank, plus three cards which are not of this rank nor the same as each other.

(set theory) One of the axioms in axiomatic set theory, equivalent to the statement that if two sets exist, there exists a set with those two sets as its sole elements.

(card games) three of a kind in certain card games.

plural of pair royal

plural of pair of shears

shears

plural of pair and share