Dictionary.com
definitions
  • synonyms

spheno-

  1. a combining form meaning “wedge,” used in the formation of compound words: sphenography.
Show More
Also especially before a vowel, sphen-.

Origin of spheno-

< New Latin < Greek sphḗn wedge + -o- -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for spheno-

spheno-

before a vowel sphen-

combining form
  1. having the shape of a wedgesphenogram
Show More

Word Origin

from Greek sphēn wedge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for spheno-

word-forming element meaning "wedge," from comb. form of Greek sphen "wedge," probably cognate with Old Norse spann "splinter," Old English spon "chip of wood" (see spoon (n.)).

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

spheno- in Medicine

spheno-

pref.
  1. Wedge; wedge-shaped:sphenocephaly.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.