- noun (written as Senate)the upper house of the American Congress
- noun (written as Senate)the upper chamber of the federal parliament of Canada, made up of 104 senators appointed by the ruling government
- noun (written as Senate)the upper house of the federal parliament of Australia, made up of 76 members, 12 from each state plus two each from the Northern Territory and Australian Capital Territory
Origin & History of “senate”
The Roman senate was etymologically an assembly of ‘elders’. Latin senātus was a derivative of senex ‘old’, which has also given English senile, senior, sir, etc. English acquired the word via Old French senat. Senator (13th c.) comes from the Latin derivative senātor.