The Collaborative International Dictionary of English v.0.48:
Campanile \Cam`pa*ni"le\, n. [It. campanile bell tower, steeple, fr. It. & LL. campana bell.] (Arch.) A bell tower, esp. one built separate from a church. [1913 Webster] Many of the campaniles of Italy are lofty and magnificent structures. --Swift. [1913 Webster]WordNet (r) 3.0 (2006):
campanile n 1: a bell tower; usually stands alone unattached to a building [syn: campanile, belfry]