The Collaborative International Dictionary of English v.0.48:
Cannoneer \Can`non*eer"\, Cannonier \Can`non*ier"\, n. [F. canonnier.] A man who manages, or fires, cannon. [1913 Webster]WordNet (r) 3.0 (2006):
cannoneer n 1: a serviceman in the artillery [syn: artilleryman, cannoneer, gunner, machine gunner]