half-moon

noun

The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon.

Meanings

nounhalf-moon (plural half-moons)

plural half-moons · alternative halfmoon · alternative half moon

  1. The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon.

    ‘Thank God we’ll have hit a bit of moon,’ Arthur Ashby remarked, glancing at the half-moon that had appeared through a break in the scudding dark clouds.

    1961, Tom Mead, Killers of Eden, Sydney: Angus and Robertson, page 159
  2. Anything shaped like a crescent, especially the base of a fingernail.
  3. A semicircular or crescent-shaped Filipino butter cookie.
  4. Synonym of black and white (“type of cookie”).

    Synonyms: black and white

Synonyms & antonyms

nounSynonym of black and white (“type of cookie”).

More synonyms by meaning

nounthe crescent-shaped area at the base of the human fingernail

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Englishhalf-
  2. Proto-Indo-European*med-
  3. Proto-Indo-European*meh₁-?
  4. Proto-Indo-European*mḗh₁n̥s
  5. Proto-Germanic*mēnô
  6. Proto-West Germanic*mānō
  7. Old Englishmōna
  8. Middle Englishmone
  9. Englishmoon
  10. Englishhalf-moon

From half- + moon.

Full word history & related roots →

Translations

Arabic تَرْبِيع
  • تَرْبِيع (tarbīʕ)the moon in its first or last quarter
Bulgarian полуме́сец, полуме́сец
  • полуме́сец (polumésec)the moon in its first or last quarter
  • полуме́сец (polumésec)anything shaped like a crescent
Catalan mitjalluna
  • mitjallunaanything shaped like a crescent
Chinese Mandarin 半月, 半月
  • 半月 (bànyuè)the moon in its first or last quarter
  • 半月 (bànyuè)anything shaped like a crescent
Czech půlměsíc, půlměsíc
  • půlměsícthe moon in its first or last quarter
  • půlměsícanything shaped like a crescent
Danish halvmåne, halvmåne
  • halvmånethe moon in its first or last quarter
  • halvmåneanything shaped like a crescent
Dutch halvemaan
  • halvemaanthe moon in its first or last quarter
Esperanto krescento, duonluno
  • krescentothe moon in its first or last quarter
  • duonlunothe moon in its first or last quarter
Estonian poolkuu
  • poolkuuthe moon in its first or last quarter
Finnish puolikuu, puolikuu
  • puolikuuthe moon in its first or last quarter
  • puolikuuanything shaped like a crescent
French demi-lune, demi-lune
  • demi-lunethe moon in its first or last quarter
  • demi-luneanything shaped like a crescent
German Halbmond, Halbmond
  • Halbmondthe moon in its first or last quarter
  • Halbmondanything shaped like a crescent
Hindi अर्धचंद्र, अर्धचंद्र
  • अर्धचंद्र (ardhacandra)the moon in its first or last quarter
  • अर्धचंद्र (ardhacandra)anything shaped like a crescent
Hungarian félhold
  • félholdthe moon in its first or last quarter
Irish leath gealaí, leathghealach
  • leath gealaíthe moon in its first or last quarter
  • leathghealachthe moon in its first or last quarter
  • leathchiorcalanything shaped like a crescent
  • leathghealachanything shaped like a crescent
Italian mezzaluna, mezzaluna
  • mezzalunathe moon in its first or last quarter
  • mezzalunaanything shaped like a crescent
Japanese 半月, 半月
  • 半月 (hangetsu)the moon in its first or last quarter
  • 半月 (hangetsu)anything shaped like a crescent
Korean 반달, 반달
  • 반달 (bandal)the moon in its first or last quarter
  • 반달 (bandal)anything shaped like a crescent
Latin luna dimidiata
  • luna dimidiatathe moon in its first or last quarter
Norwegian Bokmål halvmåne
  • halvmånethe moon in its first or last quarter
Persian چارک, نیمماه
  • چارک (čârak)the moon in its first or last quarter
  • نیمماه (nimmâh)the moon in its first or last quarter
  • نیمپری (nimporri)the moon in its first or last quarter
  • نیمبرید (nimborid)the moon in its first or last quarter
Polish półksiężyc, półksiężyc
  • półksiężycthe moon in its first or last quarter
  • półksiężycanything shaped like a crescent
Portuguese meia-lua, meia-lua
  • meia-luathe moon in its first or last quarter
  • meia-luaanything shaped like a crescent
Romanian semilună
  • semilunăthe moon in its first or last quarter
Russian полуме́сяц, полуме́сяц
  • полуме́сяц (polumésjac)the moon in its first or last quarter
  • полуме́сяц (polumésjac)anything shaped like a crescent
Slovak polmesiac, polmesiac
  • polmesiacthe moon in its first or last quarter
  • polmesiacanything shaped like a crescent
Spanish medialuna, medialuna
  • medialunathe moon in its first or last quarter
  • medialunaanything shaped like a crescent
Swahili nusu mwezi
  • nusu mwezithe moon in its first or last quarter
Swedish halvmåne
  • halvmånethe moon in its first or last quarter
Tagalog kalahatian-ng-buwan, medya luna
  • kalahatian-ng-buwanthe moon in its first or last quarter
  • medya lunathe moon in its first or last quarter
Turkish yarım ay, hilâl
  • yarım aythe moon in its first or last quarter
  • hilâlthe moon in its first or last quarter
Ukrainian півмі́сяць, півмі́сяць
  • півмі́сяць (pivmísjacʹ)the moon in its first or last quarter
  • півмі́сяць (pivmísjacʹ)anything shaped like a crescent
Cite this entry
APA

half-moon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/half-moon

MLA

“half-moon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half-moon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “half-moon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/half-moon.

Source: half-moon on Wiktionary, CC BY-SA 4.0.