exotheca en · NOUN
Etymology
From exo- + theca (“the calcareous wall of a corallite”).
Meanings
- The tissue that fills the interspaces between the costae of many madreporarian corals, usually consisting of small transverse or oblique septa.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| exothecae | Number=Plur | lexicographic |