Definitions for "double cross"
to betray or swindle (a colleague); to promise (a collaborator) one thing and to treacherously do another, to the detriment of the collaborator.
teh act of double-crossing; the betrayal or swindling of a collaborator or colleague.
A cross between first generation hybrids of four separate inbred lines.
Keywords:  triple, square, letter, word, ways
Using the X both ways on a Triple Letter Square or Triple Word Square.