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Noun upper side has 1 sense
  1. top, top side, upper side, upside - the highest or uppermost side of anything; "put your books on top of the desk"; "only the top side of the box was painted"
    --1 is a kind of side, face
    --1 has particulars:
     crown, crest; poll; pate, poll, crown; desktop; rooftop
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TOP