- Noun. (context, now) A person employed to perform computations. (defdate, from 17th c.) .
- Noun. A programmable electronic device that performs mathematical calculations and logical operations, especially one that can process, store and retrieve large amounts of data very quickly; now especially, a small one for personal or home use employed for manipulating text or graphics, accessing the Internet, or playing games or media. (defdate, from 20th c.) .