half-moon

noun \ ˈhaf-ˌmün , ˈhäf- \

Definition of half-moon

1 :the moon when half its disk appears illuminated
2 :something shaped like a crescent
3 :the lunule of a fingernail

half-moon

adjective

First Known Use of half-moon

15th century


HALF-MOON Defined for English Language Learners

half-moon

noun

Definition of half-moon for English Language Learners

  • : the moon when only half of it can be seen

  • : something that is shaped like a half-moon


Medical Dictionary

half-moon

noun \ -ˌmün \

medical Definition of half-moon

:lunula a

Learn More about half-moon


Seen and Heard

What made you want to look up half-moon? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

pleasing or sweet sound

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!