taproot

English Thesaurus

1. something that provides an important central source for growth or development (noun.cognition)

hypernym	:	germ, seed, source,
definition	:	anything that provides inspiration for later work (noun.cognition)

2. (botany) main root of a plant growing straight downward from the stem (noun.plant)

hypernym	:	root,
definition	:	(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground (noun.plant)

domain category	:	botany, phytology,
definition	:	the branch of biology that studies plants (noun.cognition)