hectocotylus [ˌhɛktə(ʊ)ˈkɒtɪləs] (pl. hectocotyli -lʌɪ, -liː)
(Zoology)a modified arm used by male octopuses and some other cephalopods to transfer sperm to the female (动)交接腕,化茎腕
语源
mid 19th cent.: modern Latin, from hecto- 'hundred' + Greek kotulē 'hollow thing', a name given by Cuvier to what he mistakenly took to be a genus of parasitic worms