■ noun
1》 a low continuous background noise.
2》 a quietly spoken utterance.
↘the quiet or subdued expression of a feeling.
3》 Medicine a recurring sound heard in the heart through a stethoscope that is usually a sign of disease or damage.
■ verb
1》 say something in a ~.
2》 make a low continuous sound.
Phrases
without a ~ without complaining.
Derivatives
~er noun
~ous adjective
Origin
ME: from OFr. ~e , from ~er 'to ~', from L. ~are , from ~ 'a ~'.