English to English
1. on or near an edge or constituting an outer boundary; the outer area
Russia's peripheral provinces|peripheral suburbs
2. Of or pertaining to a periphery; constituting a periphery; peripheric.
3. related to the key issue but not of central importance
a peripheral interest|energy is far from a peripheral issue in the economy|peripheral issues
4. (computer science) electronic equipment connected by cable to the CPU of a computer
disk drives and printers are important peripherals