adjective
Etymology: Middle English, from present participle of resten to rest, repose
1. : not in growing condition : not physiologically active : dormant , quiescent
a resting lily bulb
resting nerve cells
also : of, relating to, or marked by dormancy
a resting period
resting stages
2. : not undergoing or marked by mitosis or other form of division though otherwise physiologically active
a resting stage