Definition of

Senate

  1. (noun, group) assembly possessing high legislative powers
  2. (noun, group) the upper house of the United States Congress

via WordNet, Princeton University

Origin of the word Senate

  1. c.1200, "legal and administrative body of ancient Rome," from O.Fr. senat or L. senatus "highest council of the state in ancient Rome," lit. "council of elders," from senex (gen. senis) "old man, old" (see senile). Attested from late 14c. in reference to governing bodies of free cities in Europe; of national governing bodies from 1550s; specific sens… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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