The Collaborative International Dictionary of English v.0.48:
hankie \hankie\ n. Same as handkerchief. Syn: handkerchief, hanky, hankey. [WordNet 1.5]WordNet (r) 3.0 (2006):
hankie n 1: a square piece of cloth used for wiping the eyes or nose or as a costume accessory [syn: handkerchief, hankie, hanky, hankey]