sphenoid

English Thesaurus

1. butterfly-shaped bone at the base of the skull (noun.body)

hypernym	:	bone, os,
definition	:	rigid connective tissue that makes up the skeleton of vertebrates (noun.body)

part holonym	:	crotaphion,
definition	:	the tip of the greater wing of the sphenoid bone (noun.body)

part holonym	:	pterygoid process,
definition	:	two bony processes descending from the body of the sphenoid bone (noun.body)

part meronym	:	skull,
definition	:	the bony skeleton of the head of vertebrates (noun.body)