Sentence:  Industrial uses of <WSD>twill</WSD> fabrics are mainly restricted to simple twills and only simple <WSD>twills</WSD> are described here. Broken <WSD>twills</WSD>, waved <WSD>twills</WSD>, herringbone <WSD>twills</WSD> and elongated <WSD>twills</WSD> are extensively used for suiting and dress fabrics. 
Meaning of the word marked with <WSD> tags:  A pattern, characterised by diagonal ridges, created by the regular interlacing of threads of the warp and weft during weaving.