(1):

(n.) The act of twirling; a rapid circular motion; a whirl or whirling; quick rotation.

(2):

(v. t.) To move or turn round rapidly; to whirl round; to move and turn rapidly with the fingers.

(3):

(v. i.) To revolve with velocity; to be whirled round rapidly.

(4):

(n.) A twist; a convolution.