| ROOFLINES | • rooflines n. Plural of roofline. • ROOFLINE n. the profile of a roof. |
| ROOFSCAPE | • roofscape n. A landscape above ground formed by roofs of buildings. • ROOFSCAPE n. a view of roofs. |
| ROOFTREES | • rooftrees n. Plural of rooftree. • roof␣trees n. (Archaic) plural of roof tree. • ROOFTREE n. a horizontal timber in a roof. |
| ROOIBOSES | • ROOIBOS n. (South African) tea prepared from the dried leaves of an African plant. |
| ROOKERIES | • rookeries n. Plural of rookery. • ROOKERY n. a colony of European crows. |
| ROOMETTES | • roomettes n. Plural of roomette. • ROOMETTE n. a small room. |
| ROOMINESS | • roominess n. The quality of being roomy. • ROOMINESS n. the state of being roomy. |
| ROOMMATES | • roommates n. Plural of roommate. • ROOMMATE n. one who shares a room. |
| ROORBACHS | • roorbachs n. Plural of roorbach. • ROORBACH n. a false story used for political advantage, also ROORBACK. |
| ROORBACKS | • roorbacks n. Plural of roorback. • ROORBACK n. a false story used for political advantage, also ROORBACH. |
| ROOTBALLS | • rootballs n. Plural of rootball. • ROOTBALL n. the mass of a plant's roots and surrounding soil. |
| ROOTBOUND | • rootbound adj. (Of a potted plant) Having outgrown its pot, so that the roots are cramped and tangled. • root-bound adj. Alternative form of rootbound. • ROOTBOUND adj. rooted to the ground; potbound. |
| ROOTHOLDS | • rootholds n. Plural of roothold. • ROOTHOLD n. maintenance of position by roots. |
| ROOTINESS | • rootiness n. The quality of being rooty. • ROOTINESS n. the state of being rooty. |
| ROOTSIEST | • rootsiest adj. Superlative form of rootsy: most rootsy. • ROOTSY adj. reminiscent of folk styles. |
| ROOTSTALK | • rootstalk n. (Botany) Synonym of rhizome. • ROOTSTALK n. an underground stem producing roots and leafy shoots, aka rhizome. |
| ROOTSTOCK | • rootstock n. (Agriculture) A healthy and vigorous-rooted plant that is used in grafting, most commonly as a sound… • rootstock n. (By extension) The necessary basis for something to develop. • ROOTSTOCK n. a rhizome, esp. if short, thick, and more or less erect. |
| ROOTWORMS | • rootworms n. Plural of rootworm. • ROOTWORM n. a beetle whose larvae feed on the roots of crop plants. |