Meaning of hypopharynx

hy•po•phar•ynx

Pronunciation: (hī"pu-far'ingks), [key]
— pl. -pha•ryn•ges -phar•ynx•es.
  1. a tonguelike lobe on the floor of the mouth in many insects.
  2. the lower part of the pharynx.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.