(1):

(v. i.) To adhere closely; to stick; to hold fast; to cling.

(2):

(v. i.) To unite or be united closely in interest or affection; to adhere with strong attachment.

(3):

(v. i.) To fit; to be adapted; to assimilate.

(4):

(v. i.) To part; to open; to crack; to separate; as parts of bodies; as, the ground cleaves by frost.

(5):

(v. t.) To part or open naturally; to divide.

(6):

(v. t.) To part or divide by force; to split or rive; to cut.