the scientific study of food and drink (especially in humans)
(physiology) the organic process of nourishing or being nourished; the processes by which an organism assimilates food and uses it for growth and maintenance
the consequence of an effort or activity; "they gathered a harvest of examples"; "a harvest of love"
remove from a culture or a living or dead body, as for the purposes of transplantation; "The Chinese are said to harvest organs from executed criminals"