Labellum

1 definition found

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

  Labellum \La*bel"lum\ (l[.a]*b[e^]l"l[u^]m), n.; pl. L.
     {Labella} (l[.a]*b[e^]l"l[.a]), E. {Labellums}
     (l[.a]*b[e^]l"l[u^]mz). [L., dim. of labrum lip.]
     1. (Bot.) The lower or apparently anterior petal of an
        orchidaceous flower, often of a very curious shape.
        [1913 Webster]


  
     2. (Zool.) A small appendage beneath the upper lip or labrum
        of certain insects.
        [1913 Webster]