metasoma

noun

meta·​so·​ma

: the hind region of the body of some invertebrates

especially : such a region that cannot be readily analyzed into its primitive segmentation (as in some mollusks and arachnids)

metasomal

¦⸗⸗¦sōməl

adjective

Word History

Etymology

New Latin, from meta- + -soma

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!