Drier

Webster's Dictionary of the English Language

·superl ·Alt. of Driest.

II. Drier ·noun Drying oil; a substance mingled with the oil used in oil painting to make it dry quickly.

III. Drier ·noun One who, or that which, dries; that which may expel or absorb moisture; a desiccative; as, the sun and a northwesterly wind are great driers of the earth.