Hypopharynx

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hypopharynx \Hy`po*phar"ynx\, n. [NL. See {Hypo-}, and
     {Pharynx}.] (Zool.)
     An appendage or fold on the lower side of the pharynx, in
     certain insects.
     [1913 Webster]