Webster's Revised Unabridged Dictionary · 1913

Ruptuary

Ruptuary (?; 135) , noun

[Compare Roturier.]

One not of noble blood; a plebeian; a roturier. [Rare]
The exclusion of the French ruptuaries (“roturiers,” for history must find a word for this class when it speaks of other nations) from the order of nobility. — Chenevix