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noun
Any a group of extinct arachnids (order Trigonotarbida) of the late Silurian and early Permian periods, resembling spiders but without silk-producing spinnerets.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From order name Trigonotarbida.
