n.
(海军的)士官, 公务员

[ noun ]
a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
<noun.person>

Petty \Pet"ty\, a. [Compar. {Pettier}; superl. {Pettiest}.] [OE.
petit, F. petit; probably of Celtic origin, and akin to E.
piece. Cf. {Petit}.]
Little; trifling; inconsiderable; also, inferior;
subordinate; as, a petty fault; a petty prince. --Denham.

Like a petty god
I walked about, admired of all. --Milton.

{Petty averages}. See under {Average}.

{Petty cash}, money expended or received in small items or
amounts.

{Petty officer}, a subofficer in the navy, as a gunner, etc.,
corresponding to a noncommissionned officer in the army.

Note: For petty constable, petty jury, petty larceny, petty
treason, See {Petit}.

Syn: Little; diminutive; inconsiderable; inferior; trifling;
trivial; unimportant; frivolous.