homeobox[hō′mē ō bäks′]
homeobox definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a group of DNA sequences found in certain genes and involved in determining the development of specific organs, tissues, etc. of animal embryos
homeobox - Science Definition
Any of various DNA sequences containing about 180 nucleotides that encode for corresponding sequences of usually 60 amino acids, called homeodomains, found in proteins that bind DNA and regulate gene transcription. Genes containing homeoboxes are found in all eukaryotic genomes and are associated with cell differentiation and bodily segmentation during embryologic development.