Définitions
1.NounA multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
2.NounAny prismatic refraction of light showing a spectrum of colours.
3.NounA wide assortment; a varied multitude."a rainbow of possibilities"
4.NounAn illusion; a mirage."Many electoral promises are rainbows, vanishing soon after poll day."
5.NounA curveball, particularly a slow one.
6.NounA trick in which the player makes the ball arc over the opponent's head using both feet; rainbow kick
7.NounIn Texas hold 'em or Omaha hold 'em, a flop that contains three different suits.
8.NounRainbow trout.
9.NounA person within the LGBT community."Oh look, the rainbow came back."
10.AdjectiveMulticolored, especially if in rainbow order.
11.AdjectiveMade up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.
12.AdjectiveLGBT.
13.AdjectiveComposed entirely of different suits.
14.AdjectiveOf or pertaining to rainbow tables."rainbow attack"
15.VerbTo brighten with, or as with, a rainbow; to pattern with the colours of the rainbow.
16.VerbTo take the appearance of a rainbow.
17.VerbIn climbing gyms where the rocks to climb are colored to indicate suggested climbing routes, to climb rocks of different colors, thereby ignoring such routes.