translator
1. A device that converts information from one system of representation into equivalent information in another system of representation.
Note: An example of a translator in telephony is the device that converts dialed digits into call-routing information.
2. A computer program that translates from one language into another language and in particular from one programming language into another programming language. Synonym translating program.
3. In FM and TV broadcasting, a repeater station that receives a primary station’s signal, amplifies it, shifts it in frequency, and rebroadcasts it.
4. A device that converts one frequency to another.