glabellum

1 definition found

glabellum - Collaborative International Dictionary of English v.0.48 :

  Glabellum \Gla*bel"lum\, n.; pl. Glabella. [NL. See
     Glabella.] (Zool.)
     The median, convex lobe of the head of a trilobite. See
     Trilobite.
     [1913 Webster]