- an adjustable rubber stamp for recording the date
- an inked impression made by this
WordReference Random House Unabridged Dictionary of American English © 2026
date′ stamp′,
- a device for stamping dates and frequently the place of origin or receipt, as on postal matter.
- the information stamped by this device.
- 1855–60
- to stamp the date on, as with a date stamp:He date-stamped every letter received.
- 1925–30
Collins Concise English Dictionary © HarperCollins Publishers::
date stamp n vb date-stamp (transitive) to mark (an object) with an inked impression of a date