Standard Lemma guide
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.
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noun
Any of various shellfish, especially those of the obsolete orders Vermes or Acephala, or the suborder Thecosomata.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, plural, plural-only
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A testaceous substance, something made of shell or shell-like material.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, rare, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
testacean rhizopods
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: order Testacea
Antonyms: none provided
Broader terms: animal order
History
From Latin testāceus (“covered with a shell”).
