resting means: Allow the roasted meat to rest for between 20 and 30 minutes before it is ready to be served. To keep roasted meats warm and allow juices to circulate throughout, aluminum foil should be used to cover them. (in Cooking Dictionary)
What else does resting mean?
Occurs during inactivity. (in Merlin Dictionary)
Temporary phase in which you are not active, growing or dividing. (in Merlin Dictionary)