The Collaborative International Dictionary of English v.0.48:
Tulle \Tulle\, n. [F.; -- so called from the town of Tulle, in France.] A kind of silk lace or light netting, used for veils, etc. [1913 Webster]WordNet (r) 3.0 (2006):
tulle n 1: a fine (often starched) net used for veils or tutus or gowns