(1):

(n.) A shallow place in a stream; a ford.

(2):

(v. t.) To cleave; to rive; to split; as, to rift an oak or a rock; to rift the clouds.

(3):

(v. i.) To burst open; to split.

(4):

(n.) An opening made by riving or splitting; a cleft; a fissure.

(5):

p. p. of Rive.

(6):

(v. i.) To belch.