|Origin:||senat, from Latin senatus, from senex 'old man'|
sen‧ate , Senate
the smaller and more important of the two parts of the government with the power to make laws, in countries such as the US, Australia, and France:
The Senate approved the bill.
a similar part of the government in many US states:
the California state senate
the highest level of government in ancient Rome
the governing council at some universities