Определение localhost в Английский Язык Английский Язык словарь
The computer being used locally, contrasted with remote computers elsewhere on a network
Localhost is a reserved top-level domain not intended for real use in the global DNS
(127 0 0 1): Localhost, or the loop back IP address 127 0 0 1, is traditionally assigned to the local host, meaning that the operating system (OS) will route information destined for localhost to the port on the same machine and will never even reach a NIC In fact, a NIC is not required to have a localhost