Noun gymnasium has 2 senses
  1. secondary school, lyceum, lycee, Gymnasium, middle school - a school for students intermediate between elementary school and college; usually grades 9 to 12
    --1 is a kind of school
    --1 has particulars:
     academy; trade school, vocational school; senior high school, senior high, high, highschool, high school; junior high school, junior high; preparatory school, prep school; public school; grammar school; secondary modern school; comprehensive school, composite school
  2. gymnasium, gym - athletic facility equipped for sports or physical training
    --2 is a kind of athletic facility
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