Definition from macmillandictionary.com
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Our room is on the top floor.
I can’t reach the top shelf of the cupboard.
the top left-hand corner of the envelope
The top half of the wall came crashing down.
At top speed, these planes break the sound barrier.
It’s one of the top business schools in the country.
He won the top prize.
He’s one of the top players in the league.
Our top priority now is finding shelter for the flood victims.
She’s a top girl with a great sense of humour.