(1):

(v. i.) To die.

(2):

(v. t.) To overpower; to subdue; to put down.

(3):

(v. i.) To be subdued or abated; to yield; to abate.

(4):

(n.) Murder.

(5):

(v. t.) To take the life of; to kill.

(6):

(v. t.) To quiet; to allay; to pacify; to cause to yield or cease; as, to quell grief; to quell the tumult of the soul.