noun
heart
HART/hɑːrt/
The central muscular organ that keeps blood circulating.
The heart pumps blood through the large vessels attached to it.
Etymology
The anatomical meaning continues directly from Old English heorte, which already named the blood-circulating organ. The same word also covered inner life, including feeling and courage.
In context
The heart pumps blood throughout the body.
More examples
- My heart beats faster when I run.
- The doctor listens to her heart with a stethoscope.
- Regular exercise helps keep our hearts healthy.
Forms
heart · hearts
heartbeat noun — A single rhythmic contraction of the heart.