<synset id="n09364582" type="n">
<lex_filenum>17<lex_filenum/>
<word lex_id="0">nacreous cloud<word/>
<word lex_id="0">mother-of-pearl cloud<word/>
<pointer refs="n09247410">Hypernym<pointer/>
<def>a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon<def/>
<synset/>