root1 (rát, rÜt) n.
1. The usually underground portion of a plant that lacks buds, leaves, or nodes and serves as support, draws minerals and water from the surrounding soil, and sometimes stores food.
2. Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber.
3.a. The embedded part of an organ or structure such as a hair, tooth, or nerve, that serves as a base or support. b. A base or support.
4. An essential part or element; the basic core.
5. A primary source; an origin.
6. A progenitor or an ancestor from which a person or family is descended.
7.a. Often roots. The condition of being settled and of belonging to a particular place or society. b. roots. The state of having or establishing an indigenous relationship with or a personal affinity for a particular culture, society, or environment.
8. Linguistics. a. The element that carries the main component of meaning in a word and provides the basis from which a word is derived by adding affixes or inflectional endings or by phonetic change. b. Such an element reconstructed for a protolanguage. Also called radical.
9. Mathematics. a. A number that when multiplied by itself an indicated number of times forms a product equal to a specified number. For example, a fourth root of 4 is *2. Also called nth root. b. A number that reduces a polynomial equation in one variable to an identity when it is substituted for the variable.
10. Music. a. The note from which a chord is built. b. A triad or other chord that has such a note lowermost.

-root1 v. root0ed, root0ing, roots. -intr.
1. To grow roots or a root.
2. To become firmly established, settled, or entrenched.
3. To come into existence; originate. -tr.
1. To cause to put out roots and grow.
2. To implant by or as if by the roots.
3. To furnish a primary source or origin to.
4. To remove by or as if by the roots. Often used with up or out.

-idiom.
root and branch.
Utterly; completely. -root2er n.


root2 (rát, rÜt) v. root0ed, root0ing, roots. -tr.
1. To dig with or as if with the snout or nose. -intr.
1. To dig in the earth with or as if with the snout or nose.
2. To rummage for something. -root2er n.


root3 (rát, rÜt) intr.v. root0ed, root0ing, roots.
1. To give audible encouragement or applause to a contestant or team; cheer.
2. To lend support to someone or something. -root2er n.

lab0o0ra0to0ry (lab2rú-tôr1T, -tÅr1T) n., pl. lab0o0ra0to0ries.
1.a. A room or building equipped for scientific experimentation or research. b. An academic period devoted to work or study in such a
place.
2. A place where drugs and chemicals are manufactured.