noun
Usage: usually capitalized S&A
Etymology: so called from the tradition that St. Andrew was crucified on a cross of this type
1.
a. : a figure of a cross having the form of two intersecting oblique bars : saltire 2
b. : such a figure extending to and cut off by the boundaries of the area on which it is depicted — used especially in describing flags; compare saltire 1
2. : crux decussata 1