The Collaborative International Dictionary of English v.0.48:
Percale \Per`cale"\, n. [F.] A fine cotton fabric, having a linen finish, and often printed on one side, -- used for women's and children's wear, and for bedsheets. [1913 Webster +PJC]WordNet (r) 3.0 (2006):
percale n 1: a fine closely woven cotton fabric