(idiomatic, chiefly US) Alternative form of root about

(of a pig, literally) To forage by poking the snout here and there. / To search for something in a similar manner. / (figuratively) To rummage; to look for something in a somewhat aimless fashion.

(mathematics) Of a number or expression, a number or expression the cube of which is equal to the given number or expression.

(intransitive, literally) To grow roots into soil. / (intransitive, figuratively) To become established, to take hold.

(mathematics) A function which, when applied a given number of times, equals another given function.

(mathematics) The number which, when squared, yields another number. / (mathematics) The positive number which, when squared, yields another number; the principal square root.

The pressure (the result of osmosis) exerted by the roots of vascular plants that moves water into the leaves and causes guttation.

To dig or pull up by the roots; to deracinate.

(computing) Alternative spelling of rootkit

(phytopathology) Any of several plant fungal diseases caused by having over-wet roots.