The part of a plant which attaches it to the ground or to a support, typically underground, conveying water and nourishment to the rest of the plant via numerous branches and fibres
(Of an animal) turn up the ground with its snout in search of food
The spawn of a frog or toad (also toad rud).
the fungus attacks a plant's roots
Any of several plants whose roots or rhizomes are used medicinally; specifically = ague-grass.
An aerial root, especially one emerging from the stem of a climbing plant or epiphyte which typically serves as a point of attachment to a support rather than as an organ of nutrient absorption.
The base of the external ear; the earlobe.
(More fully life root plant) golden ragwort, Packera aurea, used medicinally for a wide variety of complaints.
Either of two North American ipomoeas with large tuberous roots, Ipomoea leptophylla, of the dry plains east of the Rocky Mountains, and the wild potato vine, I. pandurata.
Any of several plants with musk-scented roots, or the roots themselves: (a) the root of the sumbul, Ferula sumbul, used in medicine.
(Of a rose, fruit tree, etc.) growing from its own root, rather than grafted or budded.
The root of Indian poke (Veratrum viride), or of pokeweed (Phytolacca americana); either of these plants.
(In certain plants, especially trees such as mangroves) an adventitious root that grows out from the lower part of the stem or lower branches, serving to give it additional support.
A layer of parenchymatous cells covering the root meristem which serve to protect it from damage as it is pushed through the soil.
The end of a plant stem, seed, etc., which is next to the root, or from which the root develops.
To replace the contents of the root canals of (a tooth) with a filling material.
Linguistics. A word form consisting of an unmodified root, especially an uninflected verb form.
Any of various galls occurring on the roots of plants, caused by nematodes, insects, fungi, or bacteria.
A leaf arising from the base of a stem; a radical leaf.
A room used for storing edible roots and tubers.
Any of various fungal diseases of plants in which the roots decay.
Botany. Any stem-like root or rootlike stem, as an aerial root, caudex, rhizome, etc.
A weed which propagates itself chiefly by means of roots, as distinguished from one which originates from seed.
Horticulture. The mature roots of trees and plants used to create ornamental features in a garden. Compare rockwork, 2b. Now historical.
Another term for heuchera.
The number which produces a given number when cubed
(Of a horse or other animal) kick upwards with the hind legs, keeping the head down and the forelegs firmly planted
(Of a plant) begin to grow and draw nourishment from the soil through its roots
Support or hope for the success of (a person or group entering a contest or undertaking a challenge)
The mass formed by the roots of a plant and the soil surrounding them
An effervescent drink made from an extract of the roots and bark of certain plants
A crop that is a root vegetable or other root, e.g. sugar beet
A dark slender fly whose larvae may cause serious damage to the roots of crops
Each of a large number of elongated microscopic outgrowths from the outer layer of cells in a root, absorbing moisture and nutrients from the soil
A disease of cultivated flowers and vegetables caused by eelworm infestation, resulting in galls on the roots
The space over which the roots of a plant extend
Another term for radical sign.
A plant root that grows in the air; especially a root of a climber that clings to its support, or a root of a mangrove that grows upwards to allow respiration.
Any of various North American medicinal plants with dark-coloured roots; especially a kind of speedwell, Veronicastrum virginicum, native to moist ground in the eastern United States.
Any of various plants used medicinally; especially any of several parasitic plants of the genera Orobanche and Conopholis (family Orobanchaceae), formerly used to treat skin complaints such as ulcers, and believed by some to be effective against cancer.
The source of a person's most profound emotions; the bottom of the heart. Also in plural in same sense. Compare heart, root. Now poetic and rare.
The American spikenard, Aralia racemosa.
A quantity which, when subtracted from each entry in the diagonal of a square matrix, makes the determinant of the resulting matrix equal to zero.
The root of a mallee, used as a form of fuel.
The Indian turnip, Arisaema triphyllum, an aroid plant with an acrid corm which causes a burning sensation when chewed; the corm itself.
A primary or main root, from which lateral roots grow.
The ventral root of a spinal nerve, containing axons of motor neurons.
A small North American plant of shady swamps, Coptis trifolia (family Ranunculaceae), which has an astringent root reputed to cure sore mouths; also called goldthread.
Anatomy. A bundle of nerve fibres as it emerges from the neuraxis; especially either of the paired (dorsal and ventral) bundles of nerve fibres that emerge from the spinal cord and unite to form a spinal nerve.