[f. CRISP v. + -ER1.] One who or that which crisps or curls; spec. an instrument for friezing or crisping cloth.
1835. Booth (cited by Worcester).
1874. Knight, Dict. Mech., Crisper, an instrument for crisping the nap of cloth; i. e. covering the surface with little curls, such as with petersham or chinchilla. A crisping iron.