<synset id="r00009541" type="r">
<lex_filenum>02<lex_filenum/>
<word lex_id="2">plumb<word/>
<word lex_id="2">plum<word/>
<pointer refs="n07075172">Domain of synset - USAGE<pointer/>
<def>exactly<def/>
<example>fell plumb in the middle of the puddle<example/>
<synset/>