English Dictionary

rainbow

/ˈɹeɪnboʊ/

noun

A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air. / Any prismatic refraction of light showing a spectrum of colours.

I saw a beautiful rainbow after the rain.

意味（1）

A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.

意味（2）

Any prismatic refraction of light showing a spectrum of colours.

意味（3）

(often used with “of”) A wide assortment; a varied multitude.

a rainbow of possibilities

意味（4）

(figuratively) An illusion, mirage.

Many electoral promises are rainbows, vanishing soon after poll day.

意味（5）

(baseball) A curveball, particularly a slow one.

意味（6）

(poker slang) In Texas hold 'em or Omaha hold 'em, a flop that contains three different suits.

意味（7）

Rainbow trout.

Finally, by actual trial, I have found that I can catch more rainbow by using one fly than with a two or three-fly cast.