rainbow flag

Short definition from Wiktionary

Noun

1. 1
   A rainbow-striped flag, typically consisting of six horizontal bars (from top to bottom: red, orange, yellow, green, blue, and violet), used as a symbol of LGBT pride and LGBT social movements.
2. 2
   The rainbow peace flag.
3. 3
   The flag of South Africa.
4. 4
   The flag of the First Republic of China, used between 1912 and 1928, consisting of red, yellow, blue, white, and black stripes.
5. 5
   A wiphala.