crossbar /ˈkɹ̠ɑs.bɑɹ/noun 3verb 1forms 3 noun3 •Any transverse bar or piece, such as a bar across a door, or the iron bar or stock which passes through the shank of an anchor. •The top of the goal structure.The effervescent Suarez then went close again as he worked space for a shot after a mazy run but could not keep his close-range shot below the crossbar. — 2012 •The top tube of a bicycle frame. verb1 •To mark with a pattern of transverse bars. formscrossbarred · crossbarring · crossbars