<synset id="n03036701" type="n">
<lex_filenum>06<lex_filenum/>
<word lex_id="0">clack valve<word/>
<word lex_id="0">clack<word/>
<word lex_id="0">clapper valve<word/>
<pointer refs="n04519153">Hypernym<pointer/>
<def>a simple valve with a hinge on one side<def/>
<def>allows fluid to flow in only one direction<def/>
<synset/>