(dialectal, euphemistic, informal) An outbuilding used as a lavatory; an outhouse, a privy.
(historical) A class or school for young schoolboys.
(obsolete, chiefly in the plural, also figuratively) A little schoolboy, either in grade or size.
An adjective that describes something or someone as having little importance, being selfish or small-minded, and causing frustration or annoyance over minor grievances.
(historical) Of or relating to the lowest grade or level of school; junior, primary.
An adjective "petty" represents something that is small in size or secondary in importance or rank.