Petty officers
Defined in 1 dictionary — Black's (1910)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Inferior officers in the naval service, of various ranks and kinds, corresponding to the non-commissioned officers in the army. See U. S. v. Fuller, 160 U. S. 593,16 Sup. Ct. 386, 40 L. Ed. 549. As to petty "Average," "Constable," and "Sessions," see those titles.
Defined under Petty in Black's Law Dictionary.