(1):

(v. i.) To determine; to form a definite opinion; to come to a conclusion; to give decision; as, the court decided in favor of the defendant.

(2):

(v. t.) To bring to a termination, as a question, controversy, struggle, by giving the victory to one side or party; to render judgment concerning; to determine; to settle.

(3):

(v. t.) To cut off; to separate.