genus Roystonea
— Noun
– English
～ a monocotyledonous genus of West Indian feather palms
genus Rubia
— Noun
– English
～ type genus of the Rubiaceae; Old World herbs and subshrubs grown for their medicinal properties and for dye substances extracted from their roots
genus Rubus
— Noun
– English
～ large genus of brambles bearing berries
genus Rudbeckia
— Noun
– English
～ North American perennial herbs with showy cone-shaped flower heads
Gerald Rudolph Ford
— Noun
– English
～ 38th President of the United States; appointed vice president and succeeded Nixon when Nixon resigned (1913-2006)
goat's rue
— Noun
– English
～ perennial subshrub of eastern North America having downy leaves yellowish and rose flowers and; source of rotenone
goat's rue
— Noun
– English
～ tall bushy European perennial grown for its pinnate foliage and slender spikes of blue flowers; sometimes used medicinally
goat rue
— Noun
– English
～ tall bushy European perennial grown for its pinnate foliage and slender spikes of blue flowers; sometimes used medicinally
Galiella rufa
— Noun
– English
～ the cup-shaped fruiting body of this discomycete has a jellylike interior and a short stalk
grammatical rule
— Noun
– English
～ a linguistic rule for the syntax of grammatical utterances
Golden Rule
— Noun
– English
～ a command based on Jesus' words in the Sermon on the Mount; "Whatsoever ye would that men do unto you, do you even so unto them" (Matthew 7:12)
golden rule
— Noun
– English
～ any important rule; "the golden rule of teaching is to be clear"
ground rule
— Noun
– English
～ (baseball) a special rule (as in baseball) dealing with situations that arise due to the nature of the playing grounds
gag rule
— Noun
– English
～ a rule for limiting or ending debate in a deliberative body
genus Rumex
— Noun
– English
～ docks: coarse herbs and shrubs mainly native to north temperate regions
gin rummy
— Noun
– English
～ a form of rummy in which a player can go out if the cards remaining in their hand total less than 10 points
genus Rumohra
— Noun
– English
～ leatherleaf ferns: in some classifications included in genus Polystichum