Peristoma

1 definition found

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

  Peristoma \Pe*ris"to*ma\ (p[-e]*r[i^]s"t[-o]*m[.a]), n.; pl.
     {Peristomata} (p[e^]r`[i^]*st[o^]m"[.a]*t[.a]). [NL.]
     Same as {Peristome}.
     [1913 Webster]