prostomium

English

Etymology

From Ancient Greek, meaning "before the mouth".

Noun

prostomium (plural prostomia)

  1. (zoology) That portion of the head of an annelid situated in front of the mouth.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for prostomium in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)

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