simple past tense and past participle of monster

(US) A traditional double-ended bicycle wrench with a selection of usually 10 sizes—five on each end—arranged in a ball form.

(colloquial, countable) Short for ampere. / (colloquial, countable) Short for amplifier. / (colloquial, countable) Short for ampoule. / (colloquial, countable) Short for amputee.

Apis mellifera carnica, a subspecies of the western honeybee