From The Collaborative International Dictionary of English v.0.48:
Prod \Prod\, n. [Cf. Gael. & Ir. brod goad, prickle, sting, and E. brad, also W. procio to poke, thrust.] [1913 Webster] 1. A pointed instrument for pricking or puncturing, as a goad, an awl, a skewer, etc. [1913 Webster]
2. A prick or stab which a pointed instrument. [1913 Webster]
3. A light kind of crossbow; -- in the sense, often spelled prodd. --Fairholt. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Prod \Prod\, v. t. [imp. & p. p. Prodded; p. pr. & vb. n. Prodding.] 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. --H. Taylor. [1913 Webster]