
1) Woven fabric
Found on
https://www.crosswordclues.com/clue/osnaburg

Osnaburg was a coarse type of plain textile fabric, named for the city of Osnabrück (from which it may have been first imported into English-speaking countries). Originally made from flax yarns, it has been made from either flax, tow or jute yarns, sometimes flax or tow warp with mixed or jute weft, and often entirely of jute. The finer and bette...
Found on
http://en.wikipedia.org/wiki/Osnaburg

coarse linen or cotton
Found on
http://phrontistery.info/o.html

• (n.) A species of coarse linen, originally made in Osnaburg, Germany.
Found on
http://thinkexist.com/dictionary/meaning/osnaburg/

A soft, loosely woven evenweave of unbleached cotton.
Found on
http://www.chezirene.com/articles/precostuming/pc110-glossary.html
Os'na·burg noun A species of coarse linen, originally made in
Osnaburg , Germany.
Found on
http://www.encyclo.co.uk/webster/O/37

a heavy, coarse cotton in a plain weave, for grain sacks and sportswear and also finished into cretonne.
Found on
https://www.infoplease.com/dictionary/osnaburg
No exact match found.