noun
plural -ruses
[count] a group of singers and dancers in an ancient Greek play who take part in or talk about the things that are happening on stage
a group of singers and dancers in a modern play, musical show, etc.
a large group of singers :choir
a part of a song that is repeated between verses :refrain
a piece of music that is sung by a large group of singers
a sound made by many people or animals at the same time
a group of people or animals that are all heard at the same time
in chorus
all together :all at the same time
verb
-ruses; -rused; -rusing
[+ obj] :to say (something) all together :to say (something) in chorus
US