Saccades are quick, simultaneous movements of both eyes in the same direction.

Some games do not lend themselves to simultaneous movement, because one player's move may be prevented by the other player's.

In the morning a simultaneous movement caused us each to advance.

Often the ear must choose between several kinds of simultaneous movement and decide which prevails.

When a school is attacked, the fish may 'explode' away from the point of attack, in a dramatically simultaneous rapid movement.

Three simultaneous movements brought the strike to an end.

The performance of sequential and simultaneous movements is also hindered.

At last, when we could just discern the faces close to us, a simultaneous movement began.

It requires simultaneous movements of the arms on the same horizontal plane.

She had never heard so much noise, or seen so much simultaneous movement.