[ trof-uh-sohm, troh-fuh- ]

  1. an organ in deep-sea tube worms that is colonized by bacteria supplying the host worm with food and energy.

  2. a similar organ in other marine worms.

Origin of trophosome

First recorded in 1865–70; tropho- + -some3

Words Nearby trophosome Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use trophosome in a sentence