heartbeat
1 ENTRIES FOUND:
plural
heartbeats
plural
heartbeats
Britannica Dictionary definition of HEARTBEAT
[count]
:
the action or sound of the heart as it pumps blood
-
The patient had a rapid heartbeat.
-
irregular heartbeats
in a heartbeat
US, informal
:
in a very brief time
:
without any delay or hesitation
-
Even though the job was difficult, he says he'd agree to do it again in a heartbeat.
