Noun opener has 3 senses
  1. opener - the first event in a series; "she played Chopin for her opener"; "the season's opener was a game agains the Yankees"
    --1 is a kind of
    start
    Derived form: verb open4
  2. undoer, opener, unfastener, untier - a person who unfastens or unwraps or opens; "children are talented undoers of their shoelaces"
    --2 is a kind of person, individual, someone, somebody, mortal, human, soul
    Derived form: verb open1
  3. opener - a hand tool used for opening sealed containers (bottles or cans)
    --3 is a kind of
    hand tool
    --3 has particulars: bottle opener; can opener, tin opener; latchstring
    Derived form: verb open1
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