Englishfor English speakers
duty
Noun
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A duty is something that you should do.
Parents have the duty to educate their children.
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A tax placed on imports or exports; a tariff, customs duty, excise duty.
Import duty and taxes are due when importing goods into the United States.
stamp
Noun
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A little coloured square of paper that someone sticks to a letter when they want to send the letter.
The stamp goes in the upper right part of the outside of the letter.
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Any embossed sign or mark on a document.
Deeds to a house have excise duty stamps attached.
stamp
Verb
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To place a stamp.
She stamped the sign of her company on the lower part of the letter.
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To bring the heel of the foot sharply down on the floor.
She stamped her pretty little foot.