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/kɹɪˈbɛləm/ · noun
(zoology) A spinning organ having many fine pores, situated in front of the spinners in some araneomorph spiders..
1996: some groups of spiders have a sieve-like plate, the cribellum, just in front of the spinners. — Michael J. Roberts, Spiders of Britain and Northern Europe (Collins 1996, p. 17)
Use cribellum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cribellum means (zoology) A spinning organ having many fine pores, situated in front of the spinners in some araneomorph spiders..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
1996: some groups of spiders have a sieve-like plate, the cribellum, just in front of the spinners. — Michael J. Roberts, Spiders of Britain and Northern Europe (Collins 1996, p. 17)
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