WordReference Random House Unabridged Dictionary of American English © 2020
troph•o•some (trof′ə sōm′, trō′fə-),USA pronunciation n. [Zool.]
- Anatomy, Zoologyan organ in deep-sea tube worms that is colonized by bacteria supplying the host worm with food and energy.
- Anatomy, Zoologya similar organ in other marine worms.
- tropho- + -some3 1865–70
'trophosome' also found in these entries (note: many are not synonyms or translations):