See Also: onanism(dictionary)

onanism (iou)



onanism noun. E18.
[French onanisme or mod. Latin onasismus, from Onan, son of Judah, who practised coitus interruptus (Genesis 38:9): see -ISM.]
Masturbation. Also, coitus interruptus.
onanist noun a person who practises onanism M19.
ona'nistic adjective L19.