Lewis & Short

lĭgāmen, ĭnis, n. [1. ligo], a band, tie, bandage (poet. and in post-Aug. prose): Sidoniae nocturna ligamina mitrae, Prop. 2, 22, 15; Ov. M. 14, 230: ligamina vitium, Col. 11, 2, 92: ligamina herbarum, id. 12, 8, 1.
In sing.: papyri ligamen, a bandage, ligature, Col. 6, 6, 4.