harvest

Concise Oxford English Dictionary © 2008 Oxford University Press:
harvest/ˈhɑːvɪst/

▶noun the process or period of gathering in crops.

■ the season's yield or crop.

▶verb

• 1 gather as a harvest.

• 2 remove (cells or tissue) from a person or animal for experimental or transplantation purposes.

– derivatives
harvestable adjective,
harvester noun.

– origin OE hærfest ‘autumn’, of Gmc origin.