hectocotylus

== English == === Etymology === From New Latin, corresponding to hecto- +‎ Ancient Greek κότυλος (kótulos, “small cup”). === Noun === hectocotylus (plural hectocotyli) (zoology) A modified arm of any of several male cephalopods that functions as a reproductive organ by transferring sperm to the mantle of the female. [from 19th c.] ==== Derived terms ==== hectocotylize, hectocotylise hectocotylized, hectocotylised ==== Translations ====