Third-person singular simple present indicative form of stamp.(verb)
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Use "stamps" in a sentence
"Besides the label stamps, the English post-office manufactures and sells stamped envelopes, which will at once enclose the letter and pay the postage."
""That additional amount of food stamps is absolutely fundamental to children and families 'well-being," said Jim Weil, FRAC's president."
"As a result I will not buy a book of stamps from the machines (a single stamp, OK), but will stand in line instead."