A traditional telephony system based on analog transmission of sound, as opposed to newer alternatives like ISDN or VoIP.

A person's faculties, or an organization's usefulness, should not be written off simply because of age.

plural of chip off the old block

Alternative form of old wine in a new bottle

present participle of play up Old Gooseberry

Alternative form of play Old Gooseberry

simple past tense and past participle of play up Old Gooseberry

Third-person singular simple present indicative form of play up Old Gooseberry

plural of chip off the old block

plural of thousand-year-old egg