Englishfor English speakers
operator
Noun
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An operator is a person who operates something.
Jo is the operator of the tractor.
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An operator is a person who works on making connections for people over the telephone.
The operator was struggling to keep the line connected.
average
Adjective
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To be average is to be not one extreme or another.
In football, he is an average player.
average
Noun
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An average is a measure in the middle of several numbers.
The average size of a family in America is about two or three.
The average height of the boys in my class is five feet and three inches.