half rest

1. A pause or interval of silence equal in duration to two quarter rests or one half of a whole rest. In common or 4/4 time, its duration is two beats.

   a musical rest having the time value of half a whole rest or equal in duration to two beats in common time

2. A symbol used in musical notation drawn as a solid rectangle directly above the middle line of a staff whose height is half the distance between lines.

правильный