glans penis; head of the penis
Anatomical term for the glans; sense 3 is an archaic synonym for the same body part. In modern usage, 雁首 (かりくび) is the common colloquial term, while medical contexts may use 亀頭 (きとう).
The shape of the glans varies from person to person.
In phimosis surgery, the glans is exposed.
gooseneck shape; something shaped like a goose's neck
Archaic use for any object with a curved, gooseneck-like shape, such as a pipe or tool. Not used in modern everyday speech.
Old pipes had a long, curved gooseneck.
Common slang spelling for the anatomical sense, using katakana for the first part.
Literally 'goose neck', from the resemblance of the glans to a goose's curved neck. The reading かりくび is a compound of 雁 (かり, 'wild goose') and 首 (くび, 'neck').