noun an instrument used in tamping; a tamping iron.
2. tamper ·vi to meddle so as to alter, injure, or vitiate a thing.
3. tamper ·vi to deal unfairly; to practice secretly; to use bribery.
4. tamper ·vi to meddle; to be busy; to try little experiments; as, to tamper with a disease.
5. tamper ·noun one who tamps; specifically, one who prepares for blasting, by filling the hole in which the charge is placed.