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Definition of telson in English: telsonnoun ˈtɛls(ə)nˈtɛlsən Zoology The last segment in the abdomen, or a terminal appendage to it, in crustaceans, chelicerates, and embryonic insects. 〔动〕（节肢或甲壳动物的）尾节 Example sentencesExamples - The postabdominal series is entire in this specimen, exhibiting a total count of nine segments plus the telson.
- In a similar way, setiferous appendages of the telson are found in a number of noncrustaceans.
- At the end of the abdomen is the telson, which bears a bulb-shaped structure containing the venom glands and a sharp, curved aculeus to deliver the venom.
- They have a long, spike-like appendage called a telson that projects from the rear of their bodies.
- The material comprises several partial specimens in addition to disarticulated carapaces, appendages, metastomas, opisthosomal segments, and telsons.
OriginMid 19th century: from Greek, literally 'limit'. Definition of telson in US English: telsonnounˈtelsənˈtɛlsən Zoology The last segment in the abdomen, or a terminal appendage to it, in crustaceans, chelicerates, and embryonic insects. 〔动〕（节肢或甲壳动物的）尾节 Example sentencesExamples - At the end of the abdomen is the telson, which bears a bulb-shaped structure containing the venom glands and a sharp, curved aculeus to deliver the venom.
- The material comprises several partial specimens in addition to disarticulated carapaces, appendages, metastomas, opisthosomal segments, and telsons.
- The postabdominal series is entire in this specimen, exhibiting a total count of nine segments plus the telson.
- In a similar way, setiferous appendages of the telson are found in a number of noncrustaceans.
- They have a long, spike-like appendage called a telson that projects from the rear of their bodies.
OriginMid 19th century: from Greek, literally ‘limit’. |