(card games, slang) The king of diamonds in a deck of playing cards.

Alternative form of fire axe

Alternative form of throwing axe

Alternative form of throwing axe

Alternative spelling of ice axe

Alternative form of hand axe

Alternative form of curtal-axe

Alternative form of boarding axe

Alternative form of Dane axe

(mathematics) A theorem stating that for each positive integer d there is a finite set Y_d of prime numbers, such that if p is any prime not in Y_d then every homogeneous polynomial of degree d over the p-adic numbers in at least d²+1 variables has a nontrivial zero.