Root — Defs

01 v. i. To turn up the earth with the snout, as swine.

1.
To turn up the earth with the snout, as swine.
2.
Hence, to seek for favor or advancement by low arts or groveling servility; to fawn servilely.

02 v. t. To turn up or to dig out with the snout; as, the swine roots the earth.

1.
To turn up or to dig out with the snout; as, the swine roots the earth.

03 n. The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion, or the sweet flag.

1.
The underground portion of a plant, whether a true root or a tuber, a bulb or rootstock, as in the potato, the onion, or the sweet flag.(Bot.)
2.
An edible or esculent root, especially of such plants as produce a single root, as the beet, carrot, etc.; as, the root crop.
3.
That which resembles a root in position or function, esp. as a source of nourishment or support; that from which anything proceeds as if by growth or development; as, the root of a tooth, a nail, a cancer, and the like.
“They were the roots out of which sprang two distinct people.” — Locke.
4.
A primitive form of speech; one of the earliest terms employed in language; a word from which other words are formed; a radix, or radical.
“The love of money is a root of all kinds of evil.” — 1 Tim. vi. 10 (rev. Ver.)
5.
That factor of a quantity which when multiplied into itself will produce that quantity; thus, 3 is a root of 9, because 3 multiplied into itself produces 9; 3 is the cube root of 27.(Math.)
6.
The lowest place, position, or part.
7.
The time which to reckon in making calculations.(Astrol.)
“When a root is of a birth yknowe [known].” — Chaucer.

Phrases & compounds

Aerial roots — Small roots emitted from the stem of a plant in the open air, which, attaching themselves to the bark of trees, etc., serve to support the plant.

Multiple primary root — a name given to the numerous roots emitted from the radicle in many plants, as the squash.

Primary root — the central, first-formed, main root, from which the rootlets are given off.

Root and branch — every part; wholly; completely; as, to destroy an error root and branch.

Root-and-branch men — radical reformers; -- a designation applied to the English Independents (1641). See Citation under Radical, n., 2.

Root barnacle — one of the Rhizocephala.

Root hair — one of the slender, hairlike fibers found on the surface of fresh roots. They are prolongations of the superficial cells of the root into minute tubes.

Root leaf — a radical leaf.

Root louse — any plant louse, or aphid, which lives on the roots of plants, as the Phylloxera of the grapevine.

Root of an equation — that value which, substituted for the unknown quantity in an equation, satisfies the equation.

Root of a nail — the part of a nail which is covered by the skin.

Root of a tooth — the part of a tooth contained in the socket and consisting of one or more fangs.

Secondary roots — roots emitted from any part of the plant above the radicle.

To strike root — to send forth roots; to become fixed in the earth, etc., by a root; hence, in general, to become planted, fixed, or established; to increase and spread; as, an opinion takes root.

04 v. i. To fix the root; to enter the earth, as roots; to take root and begin to grow.

imp. & p. p. Rooted; p. pr. & vb. n. Rooting

1.
To fix the root; to enter the earth, as roots; to take root and begin to grow.
“In deep grounds the weeds root deeper.” — Mortimer.
2.
To be firmly fixed; to be established.
“If any irregularity chanced to intervene and to cause misappehensions, he gave them not leave to root and fasten by concealment.” — Bp. Fell.

05 v. i. To shout for, or otherwise noisly applaud or encourage, a contestant, as in sports; hence, to wish earnestly for the success of some one or…

1.
To shout for, or otherwise noisly applaud or encourage, a contestant, as in sports; hence, to wish earnestly for the success of some one or the happening of some event, with the superstitious notion that this action may have efficacy; -- usually with for; as, the crowd rooted for the home team.[Slang or Cant, U. S.]

06 v. t. To plant and fix deeply in the earth, or as in the earth; to implant firmly; hence, to make deep or radical; to establish; -- used chiefly …

1.
To plant and fix deeply in the earth, or as in the earth; to implant firmly; hence, to make deep or radical; to establish; -- used chiefly in the participle; as, rooted trees or forests; rooted dislike.
2.
To tear up by the root; to eradicate; to extirpate; -- with up, out, or away.
“The Lord rooted them out of their land . . . and cast them into another land.” — Deut. xxix. 28.