an electronic system for the transfer and storage of telephone messages, which can then be dealt with by the user at his or her convenience
Collins Concise English Dictionary © HarperCollins Publishers::
voice′ mail′, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2025- Telecommunicationsa computerized system that answers telephone calls and records phone messages for later playback, used esp. in offices.
voice′ mail′,
- Telecommunicationsan electronic system enabling the recording and storage of (usually digitized) voice messages, which can subsequently be retrieved by the intended recipient.