<synset id="n03857156" type="n">
<lex_filenum>06<lex_filenum/>
<word lex_id="0">orthopter<word/>
<word lex_id="0">ornithopter<word/>
<pointer refs="n03510583">Hypernym<pointer/>
<def>heavier-than-air craft that is propelled by the flapping of wings<def/>
<synset/>