WordReference Random House Learner's Dictionary of American English © 2025
mas•tur•bate /ˈmæstɚbeɪt/USA pronunciation v., -bat•ed, -bat•ing.
WordReference Random House Unabridged Dictionary of American English © 2025- to stimulate the genitals of (oneself or someone else) for sexual pleasure: [no object]Masturbating is normal.[~ + object]masturbating one another.
mas•tur•bate
(mas′tər bāt′),USA pronunciation v., -bat•ed, -bat•ing.
v.i.
v.t.
mas′tur•ba′tor, n.
v.i.
- Medicineto engage in masturbation.
v.t.
- Medicineto practice masturbation upon.
- Latin masturbātus, past participle of masturbārī to engage in masturbation
- 1855–60
'masturbator' also found in these entries (note: many are not synonyms or translations):