baculum

(redirected from Penis bone)
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baculum

[′bak·yə·ləm]
(vertebrate zoology)
The penis bone in lower mammals. Also known as os priapi.
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References in periodicals archive ?
Penis bone, formally called a 'bacula', which helps animals keep their penises erect for intercourse, doesn't exist in the bone structure of the human man, but it is found in many other mammals, including chimpanzees and gorillas.
and ended up breaking - fracturing - my penis bone. It's actually possible guys," he said.
In Alaska, a man has been arrested after a walrus penis bone was stolen from a city restaurant.