English

Noun

planum ‎(plural plana)

1. (anatomy) any flat surface
2. (astronomy) a plain or plateau on a moon or planet

Derived terms

• planum temporale

Latin

Etymology

From plānus ‎(“flat, even, level”).

Pronunciation

• (Classical) IPA^(key): /ˈplaː.num/

Noun

plānum n ‎(genitive plānī); second declension

1. a plain, level ground

Inflection

Second declension.

Related terms

• plānē
• plānus

Descendants

• Dutch: plein
• English: plain, plane
• Galician: chan, plano
• Old Portuguese: chão
• Portuguese: chão, plano
• Spanish: llano, plano

References

• Sijs, Nicoline van der (editor) (2010), Etymologiebank
• planum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• PLANUM in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• Félix Gaffiot (1934), “planum”, in Dictionnaire Illustré Latin-Français, Paris: Hachette.
• Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book, London: Macmillan and Co.
  • to demonstrate, make a thing clear: aliquid planum facere (Ad Herenn. 2. 5)