Root \Root\ (r[=oo]t), v. i. [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.

Source: Webster's Revised Unabridged Dictionary (1913)