claspers Syllabification: (clasp·ers)Pronunciation: /ˈklaspərz/Definition of claspers noun Zoology a pair of appendages under the abdomen of a male shark or ray, or at the end of the abdomen of a male insect, used to hold the female during copulation. Origin: mid 19th century: from claspclaspers in other Oxford dictionaries Definition of claspers in the British & World English dictionary