All-fours', n. pl.

n. pl. [From all and four.] A game at cards, which derives its name from the four chances of which it consists, for each of which a point is scored; they are High, or the ace of trumps, or next best trump out; Low, the deuce of trumps, or next lowest out; Jack, or the knave of trumps; Game, the majority of pips collected from the tricks taken by the respective players. The player who has all these is said to have all-fours. Hoyle. To go on all fours (Lit.), to move on four legs, or on two legs and two arms or hands. Hence, to go on all fours (Fig.), to be exactly similar in the minutest points. “This example is on all fours with the other.” “No simile can go on all fours.” Macaulay.