ash

Ash \Ash\, n., sing. of {Ashes}. [1913 Webster] Note: Ash is rarely used in the singular except in connection with chemical or geological products; as, soda ash, coal which yields a red ash, etc., or as a qualifying or combining word; as, ash bin, ash heap, ash hole, ash pan, ash pit, ash-grey, ash-colored, pearlash, potash. [1913 Webster] {Bone ash}, burnt powered; bone earth. {Volcanic ash}. See under {Ashes}. [1913 Webster]