A star-shaped figure exhibited by some crystals by reflected light (as in a star sapphire) or by transmitted light (as in some mica).
A rarely used typographical symbol (⁂, three asterisks arranged in a triangle), used to call attention to a passage or to separate subchapters in a book.
An unofficial constellation (small group of stars that forms a visible pattern).
Any prismatic refraction of light showing a spectrum of colours.
A curveball, particularly a slow one.
In Texas hold 'em or Omaha hold 'em, a flop that contains three different suits.
A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
A wide assortment; a varied multitude.
An illusion, mirage.
Rainbow trout.
To brighten with, or as with, a rainbow; to pattern with the colours of the rainbow.
To take the appearance of a rainbow.
In climbing gyms where the rocks to climb are colored to indicate suggested climbing routes, to climb rocks of different colors, thereby ignoring such routes.
Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.
Multicolored.
LGBT.
Composed entirely of different suits.
Of or pertaining to rainbow tables.