tribune1

[trib-yoon, trih-byoon] /ˈtrɪb yun, trɪˈbyun/
noun
1.
a person who upholds or defends the rights of the people.
2.
Roman History.
  1. any of various administrative officers, especially one of 10 officers elected to protect the interests and rights of the plebeians from the patricians.
  2. any of the six officers of a legion who rotated in commanding the legion during the year.
Origin
1325-75; Middle English < Latin tribūnus, derivative of tribus tribe
Related forms
tribuneship, noun
tribunitial, tribunicial
[trib-yuh-nish-uh l] /ˌtrɪb yəˈnɪʃ əl/ (Show IPA), adjective

tribune2

[trib-yoon, trih-byoon] /ˈtrɪb yun, trɪˈbyun/
noun
1.
a raised platform for a speaker; a dais, rostrum, or pulpit.
2.
a raised part, or gallery, with seats, as in a church.
3.
(in a Christian basilica) the bishop's throne, occupying a recess or apse.
4.
the apse itself.
5.
tribunal (def 3).
Origin
1635-45; < Medieval Latin tribūna; replacing Latin tribūnāle tribunal
British Dictionary definitions for tribune

tribune1

/ˈtrɪbjuːn/
noun
1.
(in ancient Rome)
  1. an officer elected by the plebs to protect their interests. Originally there were two of these officers but finally there were ten
  2. a senior military officer
2.
a person or institution that upholds public rights; champion
Derived Forms
tribunary, adjective
Word Origin
C14: from Latin tribunus, probably from tribustribe

tribune2

/ˈtrɪbjuːn/
noun
1.
  1. the apse of a Christian basilica that contains the bishop's throne
  2. the throne itself
2.
a gallery or raised area in a church
3.
(rare) a raised platform from which a speaker may address an audience; dais
Word Origin
C17: via French from Italian tribuna, from Medieval Latin tribūna, variant of Latin tribūnaltribunal
Word Origin and History for tribune
n.

late 14c., title of an official in ancient Rome, from Latin tribunus "magistrate" (specifically one of the officers appointed to protect the rights and interests of the plebeians from the patricians), originally "head of a tribe," from tribus (see tribe). The meaning "raised platform" is 1762, from Italian, from Latin tribunal "platform for the seats of magistrates in ancient Rome."