period

  1. noun
    a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop"
  2. noun
    an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso``s blue period"
  3. noun
    the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility"
  4. noun
    a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"
  5. noun
    one of three periods of play in hockey games
  6. noun
    the interval taken to complete one cycle of a regularly repeating phenomenon
  7. noun
    a stage in the history of a culture having a definable place in space and time; "a novel from the Victorian period"
  8. noun
    the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "the semen begins to