Definition from Wiktionary, the free dictionary
Alternative forms 
- Rhymes: -aɪə(r)
Etymology 1 
drier (plural driers)
- One who, or that which, dries; a desiccative.
- The sun and a northwesterly wind are great driers of the earth.
- (chiefly UK, Canada) Any substance that accelerates drying.
- (chiefly UK, Canada) Catalyst used to promote the drying of paints and varnishes by oxidative crosslinking.
- Alternative spelling of dryer.
Etymology 2