Englishfor English speakers
mark
Noun
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A mark is a single line left by a pen or pencil, or any small bit of color that got onto something.
You have a mark on your shirt from that tomato sauce you were eating.
mark
Verb
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To mark something is to put a mark on it.
The big rock marked the side of the car a little when she drove too close to it.
I marked the boxes so we would know which ones are mine.
Mark
Proper noun
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Mark is a male given name.
book
Noun
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A book is a lot of paper joined together with writing and pictures printed on them for you to read or write in.
I borrow books from the library, and keep them in a bookcase.
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A book is a group of stamps, matches, tickets, etc., held together inside a paper cover.
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A company's books are its money records.
An outside accountant kept the books and signed the checks until he joined the company.
book
Verb
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If you book something or someone, you reserve them for a certain time.
I want to book a hotel room for tomorrow night.
I can book tickets for the concert next week.
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If you book someone, you officially put their name in police records for a crime.
The police booked him for driving too fast.