postage meter

noun

an office machine used in bulk mailing that imprints prepaid postage and a dated postmark.

Origin

1925-30

Examples from the web for postage meter

There is no fee to apply for a permit to mail with precanceled stamps or a postage meter.
Stamp outgoing mail by hand or with a postage meter.
The mark made by a privately-held postage meter shall not be considered in determining the date of receipt.
Pay postage using one of several convenient methods: precanceled stamps, postage meter, or permit imprint.

British Dictionary definitions for postage meter

noun

(mainly US & Canadian) a postal franking machine Also called postal meter