con·va·les·cence \-sən(t)s\noun (-s) Etymology: Middle French, from Late Latin convalescentia, from Latin convalescent-, convalescens (present participle of convalescere) + -ia 1.: gradual recovery of health and strength after disease < a patient well advanced in convalescence > 2.: the time between the subsidence of a disease and complete restoration to health < quiet and rest during convalescence >