clasp.er

n.（名詞）
One that clasps.
緊抱的人
Any of the appendages of the male of certain insects and crustaceans that are used during copulation to hold the female.
抱握器：一種雄性昆蟲或雄性甲殼類動物的懸垂物，在交配中用來持住雌性
A posterior extension on each of the pelvic fins of male elasmobranch fishes that aids in the transmission of sperm during copulation.
交合突，鰭腳：雄性板腮亞綱魚的每支腹鰭的前端延伸，在交配中輔助精子的傳遞