one of a series of narrow, evenly spaced parallel pleats with alternating raised and recessed folds set into cloth or other material, usually by a commercial pleating machine
Word origin
[1880–85]
Examples of 'accordion pleat' in a sentence
accordion pleat
Accordion-pleat cotton shirts were belted across the chest.
Times, Sunday Times (2015)
When there was embellishment - ruffles here, a calligraphy of sequins over accordion pleats there - it still looked directional.