رضخ

مِرْضَاخٌ ذ A stone with which, (K, and Ham p. 615,) or upon which, (Ham,) date-stones are broken [or bruised or crushed; to serve as food for camels ]; (K, Ham;) as also ↓ مِرْضَخَةٌ: pl. مَرَاضَخُ: (TA:) but مِرْضَاخٌ is [said to be] a dial. var. of weak authority, of مِرْضَاحٌ. (TA in art. رضح.)