prosoma

noun
pro·​so·​ma | \ (ˌ)prō-ˈsō-mə How to pronounce prosoma (audio) \

Definition of prosoma

: the anterior region of the body of an invertebrate (such as an arachnid) especially when the segmentation is suppressed or obscured especially : cephalothorax

First Known Use of prosoma

1853, in the meaning defined above

History and Etymology for prosoma

New Latin, from Greek pro- + sōma body

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The first known use of prosoma was in 1853

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Cite this Entry

“Prosoma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prosoma. Accessed 8 Apr. 2020.

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