Source : Webster's Revised Unabridged Dictionary (1913)

Hypoderma \Hyp`o*der"ma\, n. [NL. See {Hypo}, and {derma}.]
   1. (Bot.) A layer of tissue beneath the epidermis in plants,
      and performing the physiological function of strengthening
      the epidermal tissue. In phanerogamous plants it is
      developed as collenchyma.

   2. (Zo["o]l.) An inner cellular layer which lies beneath the
      chitinous cuticle of arthropods, annelids, and some other
      invertebrates.

Source : WordNet®

Hypoderma
     n : in some classifications considered the type genus of the
         family Hypodermatidae: warble flies [syn: {genus
         Hypoderma}]