Quotes:11 23

Captain Apollo: Attention! Everybody listen to me! I want everyone to move quickly to the exits. That is an order.
Sire Uri: Stay where you are, I'M IN CHARGE HERE!
(Cylons attack)
Uri: Do what the man says, he's in charge.
--TOS: Saga of a Star World

Original Series definition: a title of nobility akin to "Sir," typically ascribed to a civilian of the male gender (e.g. Sire Uri, Sire Solon)