Definition of petasma in English:

petasma

noun pɪˈtazməpɛˈtazmə

Zoology

A copulatory appendage attached to the first pair of pleopods in some male crustaceans, especially penaeid shrimps.

Origin

Late 19th century. From ancient Greek πέτασμα something spread out, used by Aristotle of the feelers of the polypus from πεταννύναι to spread out + -σμα, extended form of -μα.

Definition of petasma in US English:

petasma

noun

Zoology

A copulatory appendage attached to the first pair of pleopods in some male crustaceans, especially penaeid shrimps.

Origin

Late 19th century. From ancient Greek πέτασμα something spread out, used by Aristotle of the feelers of the polypus from πεταννύναι to spread out + -σμα, extended form of -μα.

词汇	petasma
释义	Definition of petasma in English: petasma noun pɪˈtazməpɛˈtazmə Zoology A copulatory appendage attached to the first pair of pleopods in some male crustaceans, especially penaeid shrimps. Origin Late 19th century. From ancient Greek πέτασμα something spread out, used by Aristotle of the feelers of the polypus from πεταννύναι to spread out + -σμα, extended form of -μα. Definition of petasma in US English: petasma noun Zoology A copulatory appendage attached to the first pair of pleopods in some male crustaceans, especially penaeid shrimps. Origin Late 19th century. From ancient Greek πέτασμα something spread out, used by Aristotle of the feelers of the polypus from πεταννύναι to spread out + -σμα, extended form of -μα.
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