dial. [? f. FOIST sb.2] Fusty.
1691. Ray, N. C. Words, Foist; Fusty.
1721–92. in Bailey.
1842. Johnson, Farmer’s Encycl., Foist or Foust, a provincial word signifying mouldy or rusty.
1868. Atkinson, Cleveland Gloss., Foist, foisty.
