gonapophysis

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gonapophysis (noun; plural gonapophyses; Greek gone, that which produces seed; apo, from; phyein, to grow): 1. (Arthropoda: Crustacea) In male Syncarida, a median process from the base of the first or second pleopod.

2. (Arthropoda: Insecta) a. The slender curving processes that form the shaft of the ovipositor; may be leaf- or flap-like or modified to form the sting. b. Also applied to certain paired genital appendages in the male.