Vomer \Vo"mer\, n. [L., a plowshare.]

(Anat.)
   (a) A bone, or one of a pair of bones, beneath the ethmoid region of the skull, forming a part a part of the partition between the nostrils in man and other mammals.
   (b) The pygostyle.

Source: Webster's Revised Unabridged Dictionary (1913)