(travel) An automatic machine that makes the ticket valid by stamping it with the location information and the timestamp.

A postage stamp which includes a premium for charitable causes in addition to the charge for postal service.

Alternative form of postage due stamp.

(philately) An adhesive stamp affixed by a post office to an item of mail, indicating that insufficient or no postage has been prepaid.

present participle of leave one's stamp

Third-person singular simple present indicative form of leave one's stamp

present participle of put one's stamp

Third-person singular simple present indicative form of put one's stamp

simple past tense and past participle of leave one's stamp

Synonym of put one's stamp.