n 1  also  sty*lette   a  :  a slender surgical probe  b  :  a thin wire inserted into a catheter to maintain rigidity or into a hollow needle to maintain patency  2  :  a relatively rigid elongated organ or appendage (as a piercing mouthpart) of an animal .
 
   
 
Similar sounding terms:  sat·el·lite  stel·late  sti·let  sty·loid 
 
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