- any of several parts or organs of the mouth, as the labrum of a crustacean.
Origin of hypostome
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hypostome
They are characterized by the fact that the hypostome, or "tongue" (fig. 45) is large and file-like, roughened by sharp teeth.Handbook of Medical Entomology
William Albert Riley