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sphenoid

or  sphe*noi*dal  adj :  of, relating to, or being a compound bone of the base of the cranium of various vertebrates formed by the fusion of several bony elements with the basisphenoid and in humans consisting of a median body from whose sides extend a pair of broad curved winglike expansions in front of which is another pair of much smaller triangular lateral processes while ventrally two large deeply cleft processes extend downward - see GREATER WING LESSER WING 
n :  a sphenoid bone .
 
 
 
Similar sounding terms:  savant 

 
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