The Collaborative International Dictionary of English v.0.48:
Frontage \Front"age\, n. The front part of an edifice or lot; extent of front. [1913 Webster]WordNet (r) 3.0 (2006):
frontage n 1: the extent of land abutting on a street or water 2: the direction in which something (such as a building) faces 3: the face or front of a building [syn: facade, frontage, frontal]