(1):

(n.) An instrument for cutting the surface of grass land; a scarifier.

(2):

(n.) A clasp, especially a metal strap permanently fast at one end to a staple or pin, while the other passes over a staple, and is fastened by a padlock or a pin; also, a metallic hook for fastening a door.

(3):

(n.) A spindle to wind yarn, thread, or silk on.

(4):

(v. t.) To shut or fasten with a hasp.