Pair royal Meaning, Definition & Usage

Definitions
  1. (pl. Pairs Royal) three things of a sort; used especially of playing cards in some games, as cribbage; as three kings, three "eight spots" etc. Four of a kind are called a double pair royal. "Something in his face gave me as much pleasure as a pair royal of naturals in my own hand." Goldsmith. "That great pair royal of adamantine sisters [the Fates]." Quarles. Written corruptly parial and prial.

Webster 1913