vo·mer /ˈvomɚ/
  犁骨
  vo·mer /ˈvomɚ/ 名詞
  犁骨
  Vo·mer n.  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.
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  vomer
       n : thin trapezoidal bone of the skull forming the posterior and
           inferior parts of the nasal septum