Definition of pereiopod in English:

pereiopod

noun pəˈrʌɪəpɒdpəˈriːəpɒdpəˈrīəˌpäd

Zoology

Each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax.
〔动〕（甲壳动物的）步足，胸足
Example sentencesExamples
- The specimen bears three chelate pereiopods, with the first much larger than the others.
- As with many of the modem Eucopia species, this fossil taxon is characterized by the possession of highly elongate posterior pereiopods.
- Members of the Hexapodidae are easily identified if sterna and pereiopods are present, because possession of four pairs of pereiopods and seven exposed sternites is diagnostic for the family.
- At least one family within the Dorippoidea, the Dorippidae, has very long second and third pereiopods and short first pereiopods, as do necrocarcinids with preserved appendages.
- It possesses several features that place it in the Lophogastrida, such as the presence of well-developed abdominal pleurae, pleopods and pereiopods, a broadly structured telson and a lack of uropodal statocysts.

Origin

Late 19th century: from Greek peraioōn 'transporting' (present participle of peraioun) + pous, pod- 'foot'.

Definition of pereiopod in US English:

pereiopod

nounpəˈrīəˌpäd

Zoology

Each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax.
〔动〕（甲壳动物的）步足，胸足
Example sentencesExamples
- As with many of the modem Eucopia species, this fossil taxon is characterized by the possession of highly elongate posterior pereiopods.
- It possesses several features that place it in the Lophogastrida, such as the presence of well-developed abdominal pleurae, pleopods and pereiopods, a broadly structured telson and a lack of uropodal statocysts.
- Members of the Hexapodidae are easily identified if sterna and pereiopods are present, because possession of four pairs of pereiopods and seven exposed sternites is diagnostic for the family.
- At least one family within the Dorippoidea, the Dorippidae, has very long second and third pereiopods and short first pereiopods, as do necrocarcinids with preserved appendages.
- The specimen bears three chelate pereiopods, with the first much larger than the others.

Origin

Late 19th century: from Greek peraioōn ‘transporting’ (present participle of peraioun) + pous, pod- ‘foot’.

词汇	pereiopod
释义	Definition of pereiopod in English: pereiopod noun pəˈrʌɪəpɒdpəˈriːəpɒdpəˈrīəˌpäd Zoology Each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax. 〔动〕（甲壳动物的）步足，胸足 Example sentencesExamples The specimen bears three chelate pereiopods, with the first much larger than the others. As with many of the modem Eucopia species, this fossil taxon is characterized by the possession of highly elongate posterior pereiopods. Members of the Hexapodidae are easily identified if sterna and pereiopods are present, because possession of four pairs of pereiopods and seven exposed sternites is diagnostic for the family. At least one family within the Dorippoidea, the Dorippidae, has very long second and third pereiopods and short first pereiopods, as do necrocarcinids with preserved appendages. It possesses several features that place it in the Lophogastrida, such as the presence of well-developed abdominal pleurae, pleopods and pereiopods, a broadly structured telson and a lack of uropodal statocysts. Origin Late 19th century: from Greek peraioōn 'transporting' (present participle of peraioun) + pous, pod- 'foot'. Definition of pereiopod in US English: pereiopod nounpəˈrīəˌpäd Zoology Each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax. 〔动〕（甲壳动物的）步足，胸足 Example sentencesExamples As with many of the modem Eucopia species, this fossil taxon is characterized by the possession of highly elongate posterior pereiopods. It possesses several features that place it in the Lophogastrida, such as the presence of well-developed abdominal pleurae, pleopods and pereiopods, a broadly structured telson and a lack of uropodal statocysts. Members of the Hexapodidae are easily identified if sterna and pereiopods are present, because possession of four pairs of pereiopods and seven exposed sternites is diagnostic for the family. At least one family within the Dorippoidea, the Dorippidae, has very long second and third pereiopods and short first pereiopods, as do necrocarcinids with preserved appendages. The specimen bears three chelate pereiopods, with the first much larger than the others. Origin Late 19th century: from Greek peraioōn ‘transporting’ (present participle of peraioun) + pous, pod- ‘foot’.
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