† in planoadv.

a1532 R. Thorne in R. Hakluyt Diuers Voy. (1582) sig. D3 Also I knowe to set the forme Sphericall of the worlde in Plano after the true rule of Cosmographie.

1592 T. Hood Vse of Both Globes sig. C4^v If you desire to reade the poeticall fables or other discourses touching this circle, you shall haue them also in my booke of the Globe in Plano.

1662 J. Evelyn Sculptura v. 107 Solid bodies..may seem swelling, and to be embossed in Plano, by Art.

1700 J. Raphson tr. J. C. Sturm Mathesis Enucleata 193 There yet remains one method of describing hyperbola's and ellipses in Plano, by finding the several points without the help or Apparatus of any threads or instruments.

1754 B. Martin Introd. Eng. Lang. & Learning iii. viii. 171 Planispheres..consist in a Projection of all the Constellations, together with the several Circles of the Sphere in Plano.

1818 F. Francis Introd. Geogr. 3 A chart, or sea-chart, is a hydrographical map or projection of some part of the surface of the globe, in plano, for the use of navigators.

1870 A. Cayley in Nature 29 Dec. 178/1 The name ‘ennead’ is given to any nine points in plano, which are the intersections of two cubic curves.

1916 J. Hazelrigg Sun Bk. ii. 17 I subjoin an astronomical scheme of the heavens, or cosmosphere in plano, which shows at a glance the inclination of the earth on its axis.