Meanings
nounhydrotheca (plural hydrothecas or hydrothecae or hydrothecæ)
plural hydrothecas · plural hydrothecae · plural hydrothecæ
- biologyOne of the calyculi that protect the hydranths in certain hydrozoans.
ovate hydrothecae
4 more examples
saucer-shaped hydrothecae
sessile hydrothecae
rectangular hydrothecae
tubular hydrothecae
Origin
Cite this entry
APA
hydrotheca. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/hydrotheca
MLA
“hydrotheca.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hydrotheca. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “hydrotheca,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/hydrotheca.
Source: hydrotheca on Wiktionary, CC BY-SA 4.0.