The Collaborative International Dictionary of English v.0.48:

Rich \Rich\, (r[i^]ch), a. [Compar. Richer; superl.
   Richest.] [OE. riche, AS. r[imac]ce rich, powerful; akin to
   OS. r[imac]ki, D. rijk, G. reich, OHG. r[imac]hhi, Icel.
   r[imac]kr, Sw. rik, Dan. rig, Goth. reiks; from a word
   meaning, ruler, king, probably borrowed from Celtic, and akin
   to L. rex, regis, king, regere to guide, rule. [root]283. See
   Right, and cf. Derrick, Enrich, Rajah, Riches,
   Royal.]
   1. Having an abundance of material possessions; possessed of
      a large amount of property; well supplied with land,
      goods, or money; wealthy; opulent; affluent; -- opposed to
      poor. "Rich merchants." --Chaucer.
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            The rich [person] hath many friends.  --Prov. xiv.
                                                  20.
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            As a thief, bent to unhoard the cash
            Of some rich burgher.                 --Milton.
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   2. Hence, in general, well supplied; abounding; abundant;
      copious; bountiful; as, a rich treasury; a rich
      entertainment; a rich crop.
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            If life be short, it shall be glorious;
            Each minute shall be rich in some great action.
                                                  --Rowe.
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            The gorgeous East with richest hand
            Showers on her kings barbaric pearl and gold.
                                                  --Milton.
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   3. Yielding large returns; productive or fertile; fruitful;
      as, rich soil or land; a rich mine.
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   4. Composed of valuable or costly materials or ingredients;
      procured at great outlay; highly valued; precious;
      sumptuous; costly; as, a rich dress; rich silk or fur;
      rich presents.
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            Like to rich and various gems.        --Milton.
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   5. Abounding in agreeable or nutritive qualities; --
      especially applied to articles of food or drink which are
      high-seasoned or abound in oleaginous ingredients, or are
      sweet, luscious, and high-flavored; as, a rich dish; rich
      cream or soup; rich pastry; rich wine or fruit.
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            Sauces and rich spices are fetched from India.
                                                  --Baker.
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   6. Not faint or delicate; vivid; as, a rich color.
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   7. Full of sweet and harmonius sounds; as, a rich voice; rich
      music.
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   8. Abounding in beauty; gorgeous; as, a rich landscape; rich
      scenery.
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   9. Abounding in humor; exciting amusement; entertaining; as,
      the scene was a rich one; a rich incident or character.
      [Colloq.] --Thackeray.
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   Note: Rich is sometimes used in the formation of
         self-explaining compounds; as, rich-fleeced,
         rich-jeweled, rich-laden, rich-stained.
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   Syn: Wealthy; affluent; opulent; ample; copious; abundant;
        plentiful; fruitful; costly; sumptuous; precious;
        generous; luscious.
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