The noun root has 8 senses (first 5 from tagged texts)
1. (11) root -- ((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)
2. (3) root, root word, base, stem, theme, radical -- ((linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem")
3. (2) beginning, origin, root, rootage, source -- (the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root")
4. (1) root -- (a number that when multiplied by itself some number of times equals a given number)
5. (1) solution, root -- (the set of values that give a true statement when substituted into an equation)
6. ancestor, ascendant, ascendent, antecedent, root -- (someone from whom you are descended (but usually more remote than a grandparent))
7. etymon, root -- (a simple form inferred as the common basis from which related words in several languages can be derived by linguistic processes)
8. root, tooth root -- (the part of a tooth that is embedded in the jaw and serves as support)
Overview of verb root
The verb root has 7 senses (first 1 from tagged texts)
1. (2) root -- (take root and begin to grow; "this plant roots quickly")
2. root -- (come into existence, originate; "The problem roots in her depression")
3. root -- (plant by the roots)
4. rout, root, rootle -- (dig with the snout; "the pig was rooting for truffles")
5. side, pull, root -- (take sides with; align oneself with; show strong sympathy for; "We all rooted for the home team"; "I'm pulling for the underdog"; "Are you siding with the defender of the title?")
6. settle, root, take root, steady down, settle down -- (become settled or established and stable in one's residence or life style; "He finally settled down")