an arrow for a crossbow; -- so named because it commonly had a square head.-any small square or quadrangular member-a square of glass, esp. when set diagonally.-a small opening in window tracery, of which the cusps, etc., make the form nearly square.-a square or lozenge-shaped paving tile.-a glazier's diamond.-a four-sided cutting tool or chisel having a diamond-shaped end.-a breach of concord, amity, or obligation; a falling out; a difference; a disagreement; an antagonism in opinion, feeling, or conduct; esp., an angry dispute, contest, or strife; a brawl; an altercation; as, he had a quarrel with his father about expenses.-ground of objection, dislike, difference, or hostility; cause of dispute or contest; occasion of altercation.-earnest desire or longing.-to violate concord or agreement; to have a difference; to fall out; to be or become antagonistic.-to dispute angrily, or violently; to wrangle; to scold; to altercate; to contend; to fight.-to find fault; to cavil; as, to quarrel with one's lot.-to quarrel with.-to compel by a quarrel; as, to quarrel a man out of his estate or rights.-one who quarrels or wrangles; one who is quarrelsome.