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Definition of OAST
1. Noun. A kiln for drying hops. 
Definition of OAST
1. n. A kiln to dry hops or malt; a cockle.
Definition of OAST
1. a type of kiln [n -S]
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1. Noun. A kiln for drying hops. 
1. n. A kiln to dry hops or malt; a cockle.
1. a type of kiln [n -S]