• (RP) IPA: /ˈl(j)uːnə/
• (GA) enPR: lo͞o'nər, IPA: /ˈlunɚ/

lunar (not comparable)

1. Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon); Lunar.

   Synonyms: lunarlike, lunary, moonish, moonlike, moonly, selenic

   lunar observations  a lunar eclipse

2. shape#Verb|Shaped like a crescent moon; lunate.
   • 1693, John Dryden, “The Fable of Iphis and Ianthe. From the Ninth Book of Ovid’s Metamorphoses.”, in The Miscellaneous Works of John Dryden, […], volume III, London: Printed for J[acob] and R[ichard] Tonson, […], published 1760, OCLC 863244003 ↗, page 407 ↗:

     Her tears purſu'd her words, and while ſhe ſpoke / The Goddeſs nodded, and her altar ſhook: / The temple doors, as with a blaſt of wind, / Were heard to clap; the lunar horns that bind / The brows of Isis#English|Iſis caſt a blaze around; / The trembling timbrel made a murm'ring ſound.

3. (chiefly, historical) (Believed to be) influence#Verb|influenced by the Moon, as in character, growth, or properties.
   • 1627, [Francis Bacon], “V. Century. [Experiments in Consort Touching the Sympathy and Antipathy of Plants.]”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. […], London: Published after the authors death, by VVilliam Rawley; printed by I[ohn] H[aviland and Augustine Mathewes] for William Lee […], OCLC 1044242069 ↗; Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. […], 3rd edition, London: Published […] by VVilliam Rawley. Printed by J[ohn] H[aviland] for William Lee […], 1631, OCLC 1044372886 ↗, paragraph 493, [https://babel.hathitrust.org/cgi/pt?id=dul1.ark:/13960/t8v991c13;view=1up;seq=140 page 122]:

     Some of the Ancients, and likewiſe diuers of the Moderne VVriters, that haue laboured in Naturall Magick, have noted a Sympathy, between the Sunne, Moone, and ſome Principall Starres; And certaine Herbes, and Plants. And they haue denominated ſome Herbes Solar, and ſome Lunar; [...]

4. (alchemy, chemistry, historical) Of or pertaining to silver#Noun|silver (which was symbolically associate#Verb|associated with the Moon by alchemists).
5. (astronomy) Of or pertaining to travel#Noun|travel through space#Noun|space between the Earth and the Moon, or exploration and scientific investigation of the Moon.

• apolune
• lunacy
• lunambulism
• lunanaut

• Lunarian
• lunatic
• lunation
• Lune
• lunette
• lunisolar
• perilune

• French: lunaire, sélénite
• German: lunar
• Italian: lunare
• Portuguese: lunar
• Russian: лу́нный
• Spanish: lunar

lunar (plural lunars)

1. (anatomy) The middle#Adjective|middle bone#Noun|bone of the proximal series of the carpus in the wrist, which is shape#Verb|shaped like a half-moon.

   Synonyms: intermedium, lunar bone, semilunar

2. (nautical, navigation) An observation of a lunar distance, especially for establishing the longitude of a ship#Noun|ship at sea.

1. Pertaining to Luna, the moon of Terra.

• lunar
• lunarian
• Lunarian