Crossbar

n.

1.

A transverse bar or piece, as a bar across a door, or as the iron bar or stock which passes through the shank of an anchor to insure its turning fluke down. Crossbar shot a projectile which folds into a sphere for loading, but on leaving the gun expands to a cross with a quarter ball at the end of each arm; - used in naval actions for cutting the enemy's rigging.

Noun	1.	crossbar - a horizontal bar that goes across something
	2.	crossbar - game equipment consisting of a horizontal bar to be jumped or vaulted over
	3.	crossbar - long thin horizontal crosspiece between two vertical posts

bar, doubletree, swingletree, whiffletree, whippletree