- ANACOSTASA worsted dress fabric, 2 X 2 twill, made in wide widths, 58 X 100, 1/30 botany - 1/40 botany. Finer qualities are made from 30's/40's up to 60's/80's botany yarns and with up to 180 picks, known as "French Merino". Woven grey and piece-dyed. Although the 2 X 2 twill is used there is a pronounced weft twill caused by the picks predominating.
Dictionary of the English textile terms. 2014.