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definitions

zygo-

  1. a combining form meaning “yoke,” “yoked,” “yoke-shaped,” used in the formation of compound words: zygomorphic.
Also especially before a vowel, zyg-.

Origin of zygo-

combining form of Greek zygón yoke1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for zygo-

zygo-

before a vowel zyg-

combining form
  1. indicating a pair or a unionzygodactyl; zygospore

Word Origin for zygo-

from Greek zugon yoke
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
zygo- in Medicine

zygo-

pref.
  1. Yoke; pair:zygodactyly.
  2. Union:zygosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.