D defs.my
Entry 1 sense Webster, 1913

Tomium

/(tō"mĭ*ŭm)/ · To·mi·um · IPA /ˈtoʊmiəm/
01 n. The cutting edge of the bill of a bird.
pl. Tomia ((tō"mĭ*ȧ))
  1. 1.
    The cutting edge of the bill of a bird.(Zool.)