月虹

yuèhóng
  1. (meteorology) moonbow
  2. moonbow

Wiktionary

Entry Composition

1 月 yuè
  1. moon
  2. month
  3. monthly

classifiers: 個, 輪
=2 虹 hóng rainbow
=2 虹 hòng
  1. (obsolete on its own in Standard Chinese) to fester
  2. only used in 虹洞
  3. to fester
=2 虹 gòng
  1. (historical) a county in modern Anhui, China
  2. a county in modern Anhui, China