senate

Senate is a group of people who make laws and decisions, the upper house of the U.S. Congress, or the supreme council in ancient Rome.

(noun)

An example of Senate is an Arizona senator voting on whether or not the minimum wage should be increased.
An example of the Senate is the U.S. Senate.
An example of senate the group of people who gave advice about decisions to the king of Rome.

See senate in Webster's New World College Dictionary

noun

literally a council of elders
the supreme council of the ancient Roman state, originally only of patricians but later including the plebeians
a lawmaking assembly; state council
1. ☆ the upper house of the legislature of the U.S., or of most of the states of the U.S.
2. a similar body in other countries
a governing or advisory council in a college or university: the Faculty Senate
the building or hall where a senate meets

Origin: ME senat < OFr < L senatus < senex, old, aged < IE base *sen(o)-, old > Sans sána-, Gr henos, OIr sen, old

See senate in American Heritage Dictionary 4

noun

Abbr. Sen. An assembly or a council of citizens having the highest deliberative and legislative functions in a government, specifically:
a. Senate The upper house of the U.S. Congress, to which two members are elected from each state by popular vote for a six-year term.
b. often Senate The upper house in the bicameral legislature of many states in the United States.
c. Senate The upper legislative house in Canada, France, and some other countries.
d. The supreme council of state of the ancient Roman Republic and later of the Roman Empire.
The building or hall in which such a council or assembly meets.
A governing, advisory, or disciplinary body of some colleges and universities composed of faculty members and sometimes student representatives.