1. (n.) An arrow for a crossbow; -- so named because it commonly had a square head.

2. (n.) Any small square or quadrangular member

3. (n.) A square of glass, esp. when set diagonally.

4. (n.) A small opening in window tracery, of which the cusps, etc., make the form nearly square.

5. (n.) A square or lozenge-shaped paving tile.

6. (n.) A glazier's diamond.

7. (n.) A four-sided cutting tool or chisel having a diamond-shaped end.

8. (n.) 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.

9. (n.) Ground of objection, dislike, difference, or hostility; cause of dispute or contest; occasion of altercation.

10. (n.) Earnest desire or longing.

11. (v. i.) To violate concord or agreement; to have a difference; to fall out; to be or become antagonistic.

12. (v. i.) To dispute angrily, or violently; to wrangle; to scold; to altercate; to contend; to fight.

13. (v. i.) To find fault; to cavil; as, to quarrel with one's lot.

14. (v. t.) To quarrel with.

15. (v. t.) To compel by a quarrel; as, to quarrel a man out of his estate or rights.

16. (n.) One who quarrels or wrangles; one who is quarrelsome.