(1):

(n.) A prick or stab which a pointed instrument.

(2):

(v. t.) To thrust some pointed instrument into; to prick with something sharp; as, to prod a soldier with a bayonet; to prod oxen; hence, to goad, to incite, to worry; as, to prod a student.

(3):

(n.) A pointed instrument for pricking or puncturing, as a goad, an awl, a skewer, etc.

(4):

(n.) A light kind of crossbow; - in the sense, often spelled prodd.