Hypostoma

2 definitions found

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

  Hypostome \Hy"po*stome\, Hypostoma \Hy*pos"to*ma\, n. [NL.
     hypostoma, fr. Gr. "ypo` beneath + ? mouth.] (Zool.)
     The lower lip of trilobites, crustaceans, etc.
     [1913 Webster]

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



  Manubrium \Ma*nu"bri*um\, n.; pl. L. {Manubria}, E.
     {Manubriums}. [L., handle, fr. manus hand.]
     [1913 Webster]
     1. (Anat.) A handlelike process or part; esp., the anterior
        segment of the sternum, or presternum, and the handlelike
        process of the malleus.
        [1913 Webster]
  
     2. (Zool.) The proboscis of a jellyfish; -- called also
        {hypostoma}. See Illust. of {Hydromedusa}.
        [1913 Webster]