coenenchyma
/kɜːnɛŋˈkɪmə/ or /kɔɪˈnɛŋkɪmə/Definitions
1. noun
A layer of compact, filamentous tissue forming the main part of a coral polyp or a similar structure in other animals, such as sponges.
“The coenenchyma of the coral reef provided a habitat for diverse marine life.”