poldavy
/pɒlˈdeɪvi/(also poldavie, poldavis, powledavies) Now historical and rare
noun
A coarse canvas or sacking, originally woven in Brittany and formerly much used for sailcloth.
Origin
Late 15th century. Apparently from Pouldavid, the name of a hamlet on the south side of Douarnenez Bay, on the west coast of Brittany.