tarpaulin
tar.pau.lin \ta:r-'po.-l*n, 'ta:r-p*-\ n [prob. fr. 1tar + -palling, -pauling (fr. pall)] 1: waterproofed canvas or other material used for protecting goods, vehicle s, athletic fields, or other exposed objects 2: SAILOR
Webster's English Dictionarytar.pau.lin \ta:r-'po.-l*n, 'ta:r-p*-\ n [prob. fr. 1tar + -palling, -pauling (fr. pall)] 1: waterproofed canvas or other material used for protecting goods, vehicle s, athletic fields, or other exposed objects 2: SAILOR