The Collaborative International Dictionary of English v.0.48:
Soilure \Soil"ure\, n. [OF. soillure, F. souillure. See Soil to make dirty.] Stain; pollution. --Shak. [1913 Webster] Then fearing rust or soilure, fashioned for it A case of silk. --Tennyson. [1913 Webster]WordNet (r) 3.0 (2006):
soilure n 1: the act of soiling something [syn: soiling, soilure, dirtying]