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rooster an adult male chicken or other fowl; cock.
root1 the part of a plant that usu. grows underground, absorbs water and nutrients, and attaches the plant to the soil. [10 definitions]
root2 to dig or turn over soil, often with the snout or nose, as a pig. [4 definitions]
root3 to cheer for or encourage a contestant or team. [2 definitions]
rootage a root system.
root beer a carbonated soft drink made or flavored with extracts derived from the roots, barks, and leaves of certain plants.
root borer an insect or its larva that bores into plant roots.
root canal the pulp-filled tubular channel in the root of a tooth. [2 definitions]
root cellar an underground storage room for root crops and other vegetables.
root crop a crop, such as potatoes, beets, or carrots, that is grown for its edible roots.
rooter1 a person, animal, or device that overturns earth by rooting.
rooter2 a person who actively supports, encourages, or cheers for a contestant or team. [2 definitions]
root hair a thin, hairlike, permeable outgrowth from a root that absorbs water and minerals from the soil.
rootless being without roots. [2 definitions]
rootlet a small root or branch of a root.
root mean square the square root of the arithmetic mean of the squares in a given set of numbers.
rootstock an underground, rootlike, usu. horizontal stem from which shoots grow upward and roots downward; rhizome. [2 definitions]
rooty having many roots. [2 definitions]
rope a strong, flexible, usu. thick and heavy line of twisted or braided hemp, nylon, or similar material. [8 definitions]
ropewalk a long narrow shed or building in which ropes are made. [2 definitions]
ropewalker one who walks or performs on a tightrope, esp. a paid entertainer; tightrope walker.