Fust
Fust (fust) , noun
[Old French fust, French fût, from Latin fustis stick staff.]
(Architecture) The shaft of a column, or trunk of a pilaster. — Gwilt
Fust , noun
[Old French fust cask, French fût cask, taste or smell of the cask, fustiness, compare sentir le fût to taste of the cask. See 1st Fust.]
A strong, musty smell; mustiness.
Fust , intransitive verb
To become moldy; to smell ill. [Obsolete]