ثَفَرٌ

, (S, M, A, Msb, K,) and sometimes ↓ ثَفْرٌ, (K,) The [crupper, or] strap, or thong, at the hinder part of the saddle; (M, K;) the appendage of the saddle that is put beneath the tail (Mgh) of a beast, (S, A, Mgh, Msb,) of a horse, an ass, or a camel: (T, TA:) its two ends are bound to the دَفَّتَانِ: (IDrd in his book on the Saddle and Bridle, p. 4:) plural أَثْفَارٌ. (Msb.)