The Collaborative International Dictionary of English v.0.48:
Towage \Tow"age\, n. [From Tow, v..cf. F. touage.] 1. The act of towing. [1913 Webster] 2. The price paid for towing. [1913 Webster]WordNet (r) 3.0 (2006):
towage n 1: the act of hauling something (as a vehicle) by means of a hitch or rope; "the truck gave him a tow to the garage" [syn: tow, towage]