noun, plural hec·to·cot·y·li /-ˈkɒt
lˌaɪ/ Show Spelled [-kot-l-ahy] Show IPA . Zoology. a modified arm of the male of certain cephalopods that is used to transfer sperm to the female.
Origin: 1850–55; <
Neo-Latin, equivalent to
hecto- hecto- +
-cotylus <
Greek kotýlē cup