Webster’s Revised Unabridged Dictionary · 1913
Fust
Fust (fŭst), n. [OF. fust, F. fût, fr. L. fustis stick staff.] (Arch.) The shaft of a column, or trunk of a pilaster. Gwilt.
Fust, n. [OF. fust cask, F. fût cask, taste or smell of the cask, fustiness, cf. sentir le fût to taste of the cask. See 1st Fust.] A strong, musty smell; mustiness.
Fust, v. i. To become moldy; to smell ill. [Obs.]