noun🔗ShareChelicerenEither of the prehensile claws found on the proboscis of chelicerates (horseshoe crabs, sea spiders and arachnids)."The spider used its chelicerae to grab the fly and pull it closer to its mouth. "Die Spinne benutzte ihre Cheliceren, um die Fliege zu packen und näher an ihren Mund zu ziehen.animalanatomybiologypartorganismChat with AIVocabulary GamePractice Reading