from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A day on which school is in session.
  • noun The part of a day during which school is in session.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the period of instruction in a school; the time period when school is in session
  • noun any day on which school is in session


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