The Collaborative International Dictionary of English v.0.48:
Canalization \Ca*nal`i*za"tion\, n. Construction of, or furnishing with, a canal or canals. [R.] [1913 Webster]WordNet (r) 3.0 (2006):
canalization n 1: the production of a canal or a conversion to canals [syn: canalization, canalisation] 2: management through specified channels of communication [syn: channelization, channelisation, canalization, canalisation]