adding machine
nounUK /ˈæd.ɪŋ məˌʃiːn/
US /ˈæd.ɪŋ məˌʃiːn/
A machine that helps you add numbers together.
Grandpa used an adding machine to total the bills at his shop.
RELATED WORDS
OTHER MEANINGS
2. An early mechanical or electromechanical device for performing basic arithmetic, especially addition.
The museum displayed a brass adding machine from the 1890s.
3. A person or thing that adds something.
She was the adding machine of the team, always finding new members.
4. A device that records and totals amounts, such as in a cash register.
The clerk pressed a key on the adding machine to tally the sale.