buckram

nouns

a coarse cotton fabric stiffened with glue; used in bookbinding and to stiffen clothing
is a type of (narrower)
artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers
"the fabric in the curtains was light and semitransparent"; "woven cloth originated in Mesopotamia around 5000 BC"; "she measured off enough material for a dress"

verbs

stiffen with or as with buckram
"buckram the skirt"
is a type of (narrower)
make stiff or stiffer
"Stiffen the cream by adding gelatine"

adjectives

rigidly formal
"a starchy manner"; "the letter was stiff and formal"; "his prose has a buckram quality"