John Montgomery discusses the glyph ch'ak, an "axe verb," showing that the Maya used the axe as a weapon.
John Montgomery, Dictionary of Maya Hieroglyphics (New York: Hippocrene Books, Inc., 2002), 74
CH’AK (ch’ak) (T190) 1 tr. v. “to chop” 2 tr. v. “to decapitate” 3 tr. v. “to chop with a blow” General war-related verb, the “axe verb.” Possibly related specifically to wars against armies or individuals as opposed to those against sites or locations. Represents an axe.