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Meaning of RAINBOW

Pronunciation:  'reyn`bow

WordNet Dictionary
  1. [n]  an illusory hope; "chasing rainbows"
  2. [n]  an arc of colored light in the sky caused by refraction of the sun's rays by rain

RAINBOW is a 7 letter word that starts with R.


 See Also: arc, bow, hope, promise, sky



Webster's 1913 Dictionary
\Rain"bow`\, n. [AS. regenboga, akin to G. regenbogen.
See {Rain}, and {Bow} anything bent,]
A bow or arch exhibiting, in concentric bands, the several
colors of the spectrum, and formed in the part of the
hemisphere opposite to the sun by the refraction and
reflection of the sun's rays in drops of falling rain.

Note: Besides the ordinary bow, called also primary rainbow,
      which is formed by two refractions and one reflection,
      there is also another often seen exterior to it, called
      the secondary rainbow, concentric with the first, and
      separated from it by a small interval. It is formed by
      two refractions and two reflections, is much fainter
      than the primary bow, and has its colors arranged in
      the reverse order from those of the latter.

{Lunar rainbow}, a fainter arch or rainbow, formed by the

{Marine rainbow}, or {Sea bow}, a similar bow seen in the
   spray of waves at sea.

{Rainbow trout} (Zo["o]l.), a bright-colored trout
   ({Salmoirideus}), native of the mountains of California,
   but now extensively introduced into the Eastern States.
   Japan, and other countries; -- called also {brook trout},
   {mountain trout}, and {golden trout}.

{Rainbow wrasse}. (Zo["o]l.) See under {Wrasse}.

{Supernumerary rainbow}, a smaller bow, usually of red and
   green colors only, sometimes seen within the primary or
   without the secondary rainbow, and in contact with them.

Dream Dictionary
 Definition: Seeing a rainbow in your dream means much hope, success and good fortune in the form of money, prestige, or fame. The rainbow is a bridge between your earthly, grounded self and the higher, spiritual self. For lovers to see a rainbow, symbolizes overwhelming happiness from their union.
Easton Bible Dictionary

caused by the reflection and refraction of the rays of the sun shining on falling rain. It was appointed as a witness of the divine faithfulness (Gen. 9:12-17). It existed indeed before, but it was then constituted as a sign of the covenant. Others, however (as Delitzsch, Commentary on Pentateuch), think that it "appeared then for the first time in the vault and clouds of heaven." It is argued by those holding this opinion that the atmosphere was differently constituted before the Flood. It is referred to three other times in Scripture (Ezek. 1:27, 28; Rev. 4:1-3; 10:1).