n, often attrib  1  :  material consisting essentially of protein, carbohydrate, and fat used in the body of an organism to sustain growth, repair, and vital processes and to furnish energy : also  :  such material together with supplementary substances (as minerals, vitamins, and condiments)  2  :  nutriment in solid form .
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.