Primula :: Primula (n.) The genus of plants including the primrose (Primula vera).
Primulaceous :: Primulaceous (a.) Of or pertaining to an order of herbaceous plants (Primulaceae), of which the primrose is the type, and the pimpernel, the cyclamen, and the water violet are other examples..
Primum Mobile :: Primum mobile () In the Ptolemaic system, the outermost of the revolving concentric spheres constituting the universe, the motion of which was supposed to carry with it all the inclosed spheres with their planets in a daily revolution from east to west. See Crystalline heavens, under Crystalline..
Primus :: Primus (n.) One of the bishops of the Episcopal Church of Scotland, who presides at the meetings of the bishops, and has certain privileges but no metropolitan authority..