| roomy |
having ample room; large; spacious. |
| roost |
a perch on which birds, esp. domesticated fowl, rest or sleep, or a place or enclosure provided with such perches. [3 definitions] |
| 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. [11 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 around |
to rummage about, searching for something. [2 definitions] |
| 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] |