body clock noun
: a system in the body that controls when you need to sleep, eat, etc.
: the internal mechanisms that schedule periodic bodily functions and activities —usually not used technically
Examples of BODY CLOCK
- It takes a while for my body clock to get adjusted when I fly from New York to London.
First Known Use of BODY CLOCK
body clock noun \-ˈkläk\ (Medical Dictionary)
: the internal mechanisms that schedule bodily functions and activities—not usually used technically
Seen & Heard
What made you want to look up body clock? Please tell us where you read or heard it (including the quote, if possible).