plural of raincheck

An informal (and often unacknowledged) barrier to promotion or advancement, in employment and elsewhere, for gay and lesbian people.

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.

(mathematics, cryptography) A table of surjective functions used to decrypt a text that was coded using a hash table.

plural of rainbow body

(Buddhism) According to Dzogchen beliefs, a body made of pure light, acquired after reaching a certain level of spiritual realization.