Standard Lemma guide

hydrotheca

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

One of the calyculi that protect the hydranths in certain hydrozoans.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences, zoology

Examples

  • ovate hydrothecae
  • saucer-shaped hydrothecae
  • sessile hydrothecae
  • rectangular hydrothecae
  • tubular hydrothecae

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From hydro- + theca.