Hydrotheca
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 One of the calicles that protect the hydranths in certain Hydroidea (Thecaphora).
Etymology
From hydro- + theca.
More for "hydrotheca"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.