Tulle/tuːl/ Definition 1 of 1Pro Tip 1/3Wedding Connection Tulle is often associated with weddings, particularly in veils and dresses. The bride's tulle gown flowed gracefully as she walked down the aisle. Pro Tip 2/3Transparency Quality Tulle is semi-transparent, allowing light and color to softly shine through. Her ballet costume featured a layer of pink tulle over a brighter fabric. Pro Tip 3/3Lightweight Fabric Tulle is lightweight and can add volume without being heavy. The designer used tulle to create a voluminous skirt that was easy to move in.