Structure and Function of the Skin. NOTE: This is the Consumer Version. The skin is the bodyâs largest organ. The skin keeps vital chemicals and nutrients in the body while providing a barrier against dangerous substances from entering the body and provides a shield from the harmful effects of ultraviolet radiation emitted by the sun.
root crop. n. A crop, as of turnips or yams, grown for its edible roots. root crop. n. (Agriculture) a crop, as of turnips or beets, cultivated for the food value of its roots. rootâ² crop`. n. a crop, as beets, grown for its roots. root crop. A vegetable, such as beetroot, carrot, parsnip and potato, that is grown for its edible roots.
1. countable noun. 1  The roots of a plant are the parts of it that grow under the ground. 2  If you root a plant or cutting or if it roots, roots form on the bottom of its stem and it starts to grow. 3  Root vegetables or root crops are grown for their roots which are large and can be eaten.