'Saltire' definitions:

Definition of 'saltire'

From: WordNet
noun
A cross resembling the letter x, with diagonal bars of equal length [syn: St. Andrew's cross, saltire]

Definition of 'Saltire'

From: GCIDE
  • Saltire \Sal"tire\, n. [F. sautoir, fr. LL. saltatorium a sort of stirrup, fr. L. saltatorius saltatory. See Saltatory, Sally, v.] (Her.) A St. Andrew's cross, or cross in the form of an X, -- one of the honorable ordinaries. [1913 Webster]