Noun
meter for bulk mailings that imprints correct prepaid postage on pieces of mail and records the total charge
Source: WordNetA postage meter imprints an amount of postage, functioning as a postage stamp, a cancellation and a dated postmark all in one. Source: Internet
Postage payment may be in the form of stamps, stamped stationery, precanceled stamps, postage meter imprints & PC Postage products ("Postage Evidencing Systems"), or permit imprint (indicia). Source: Internet