Wiktionary
n. A heated cylindrical device for curling the hair.
WordNet
n. a cylindrical metal home appliance that heats a lock of hair that has been curled around it
Usage examples of "curling iron".
Pavlo Smodlaka was using a heated curling iron on his blond beard and tying up strands of it in his wife's curl papers.
Behind the counter, a pudgy high school babe, dishwater blond hair that has been worked over pretty good with a curling iron, blue metal-flake eyeshadow, an even coat of red makeup covering her broad, gelatinous cheeks, a flimsy sort of choir robe thrown over her T-shirt.
There were cosmetics on the chest of drawers, hot rollers and a curling iron on the bathroom counter, a damp towel on the toilet seat.
The Tuani girl with the curling iron, who had come within an eyelash of burning her mistress on the arm, paled a little.
Her lady-in-waitmg stopped, the curling iron already in her hands.
She wore the drab, oversized dresses Terel chose for her, she never minded when Terel burned her hair with a curling iron.