What does the word unit mean?

Usage examples for unit

  1. Let's see- your unit is ready. – Joe Burke's Last Stand by John Moncure Wetterau
  2. In its passage from one tribe to another the game became modified into several types, but the fundamental character was not changed, so that all these types are, in a sense, a unit. – Indian Games and Dances with Native Songs by Alice C. Fletcher
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