رَحَحٌ

Width in a solid hoof: such is approved; (S, K;) being the opposite of that which is termed مُصْطَرٌّ: but when it spreads out much, it is a fault: (S:) or a spreading therein: (A:) or a spreading thereof; and width of a human foot: (Lth, TA:) or a spreading of a solid hoof, with thinness: or width of a human foot, with thinness: and in a solid hoof, which is a fault: or excessive width in a solid hoof. (TA.)