The Collaborative International Dictionary of English v.0.48:
Plage \Plage\ (pl[=a]l), n. [F., fr. L. plaga.] A region; country. [Obs.] "The plages of the north." --Chaucer. [1913 Webster]WordNet (r) 3.0 (2006):
plage n 1: the beach at a seaside resort