phylum Rotifera
— Noun
– English
～ a phylum including: rotifers
Pyrola rotundifolia
— Noun
– English
～ evergreen with rounded leaves and very fragrant creamy-white flowers; widely distributed in northern parts of Old and New Worlds
Pyrola rotundifolia americana
— Noun
– English
～ evergreen of eastern North America with leathery leaves and numerous white flowers
Pellaea rotundifolia
— Noun
– English
～ fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets
paper round
— Noun
– English
～ the route taken when delivering newspapers every day
Peyton Rous
— Noun
– English
～ United States pathologist who discovered viruses that cause tumors (1879-1970)
paper route
— Noun
– English
～ the route taken when delivering newspapers every day
paper route
— Noun
– English
～ the job of delivering newspapers regularly
princess royal
— Noun
– English
～ the eldest daughter of a British sovereign
Para rubber
— Noun
– English
～ a type of natural rubber obtained from tropical South American trees
Peter Paul Rubens
— Noun
– English
～ prolific Flemish baroque painter; knighted by the English king Charles I (1577-1640)
Picea rubens
— Noun
– English
～ medium-sized spruce of eastern North America; chief lumber spruce of the area; source of pulpwood
Pyrocephalus rubinus mexicanus
— Noun
– English
～ tropical American flycatcher found as far north as southern Texas and Arizona; adult male has bright scarlet and black plumage
Piranga rubra
— Noun
– English
～ of middle and southern United States; male is deep rose-red the female mostly yellow
Pseudemys rubriventris
— Noun
– English
～ freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell
Polyergus rufescens
— Noun
– English
～ small reddish slave-making ant species