ploughshare bone
(US plowshare bone)
noun
1 Anatomy the vomer (now rare or disused ).
2 Ornithology the pygostyle of a bird.
Origin
Late 18th century.
| 单词 | ploughshare bone |
| 释义 | ploughshare bone(US plowshare bone) noun 1 Anatomy the vomer (now rare or disused ). 2 Ornithology the pygostyle of a bird. Origin |
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