Reference meaning
heartbeat
Last updated
the rhythmic contraction and expansion of the arteries with each beat of the heart
Related source terms
Other meanings
2. noun
a very short time (as the time it takes the eye to blink or the heart to beat)
3. noun
an animating or vital unifying force
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 07400906-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.