to arrange that something should happen at a particular time:
arrange a time[usually passive]
I saw from the station clock that I had timed my arrival perfectly.
be timed to do something
The tour has been timed to allow visitors to attend the opening night of the Verona opera season.
Her book was timed to coincide with (=arranged to be at the same time as) an exhibition of Goya's paintings at the National Gallery.
be timed for something
The meeting has been timed for three o'clock.
to measure how fast someone or something is going, how long it takes to do something etc:
We had to run up the stairs while the Sergeant timed us.
time somebody/something at something
They timed the winner at 2 minutes and 14.05 seconds.
to hit a ball or make a shot at a particular moment [↪ mistime]
time something well/badly etc
Keith timed the pass well.
a beautifully timed shot