[1] : The Collaborative International Dictionary of English v.0.48

hippopotamus \hip`popot"amus\, n.; pl. e. hippopotamuses, l.
   hippopotami. l., from gr.?; "i`ppos horse + ? river. cf.
   equine. zool.
   a large, amphibious, herbivorous mammal hippopotamus
   amphibius, common in the rivers of tropical africa. it is
   allied to the hogs, and has a very thick, naked skin, a thick
   and square head, a very large muzzle, small eyes and ears,
   thick and heavy body, and short legs. it is supposed to be
   the behemoth of the bible. called also zeekoe, and river
   horse. a smaller species hippopotamus liberiencis
   inhabits western africa.
   1913 webster
see also:
hippopotamuses hippopotami equine hippopotamus amphibius zeekoe river horse 
hippopotamus liberiencis 

[2] : The Collaborative International Dictionary of English v.0.48

river \riv"er\, n. f. riv`ere a river, ll. riparia river,
   bank of a river, fr. l. riparius belonging to a bank or
   shore, fr. ripa a bank or shore; of uncertain origin. cf.
   arrive, riparian.
   1. a large stream of water flowing in a bed or channel and
      emptying into the ocean, a sea, a lake, or another stream;
      a stream larger than a rivulet or brook.
      1913 webster

            transparent and sparkling rivers, from which it is
            delightful to drink as they flow.     --macaulay.
      1913 webster

   2. fig.: a large stream; copious flow; abundance; as, rivers
      of blood; rivers of oil.
      1913 webster

   river chub zool., the hornyhead and allied species of
      fresh-water fishes.

   river crab zool., any species of fresh-water crabs of the
      genus thelphusa, as thelphusa depressa of southern
      europe.

   river dragon, a crocodile; -- applied by milton to the king
      of egypt.

   river driver, a lumberman who drives or conducts logs down
      rivers. --bartlett.

   river duck zool., any species of duck belonging to
      anas, spatula, and allied genera, in which the hind
      toe is destitute of a membranous lobe, as in the mallard
      and pintail; -- opposed to sea duck.

   river god, a deity supposed to preside over a river as its
      tutelary divinity.

   river herring zool., an alewife.

   river hog. zool.
      a any species of african wild hogs of the genus
          potamochoerus. they frequent wet places along the
          rivers.
      b the capybara.

   river horse zool., the hippopotamus.

   river jack zool., an african puff adder clotho
      nasicornis having a spine on the nose.

   river limpet zool., a fresh-water, air-breathing mollusk
      of the genus ancylus, having a limpet-shaped shell.

   river pirate zool., the pike.

   river snail zool., any species of fresh-water gastropods
      of paludina, melontho, and allied genera. see pond
      snail, under pond.

   river tortoise zool., any one of numerous fresh-water
      tortoises inhabiting rivers, especially those of the genus
      trionyx and allied genera. see trionyx.
      1913 webster
see also:
arrive riparian river chub river crab thelphusa thelphusa depressa 
river dragon river driver river duck anas spatula 
river god river herring river hog potamochoerus river horse 
river jack clotho nasicornis river limpet ancylus river pirate 
river snail paludina melontho pond snail pond 
river tortoise trionyx 

[3] : WordNet (r) 2.0

river horse
     n : massive thick-skinned herbivorous animal living in or around
         rivers of tropical africa syn: hippopotamus, hippo,
         hippopotamus amphibius
see also:
hippopotamus hippo hippopotamus amphibius 

Delaware River >> D Words
Delaware River, definition of term: Delaware River
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Dead Horse >> D Words
Dead Horse, definition of term: Dead Horse
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Deschutes River >> D Words
Deschutes River, definition of term: Deschutes River
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Deschutes River >> D Words
Deschutes River, definition of term: Deschutes River
deschutes+river_pag1.html

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Draft Horse, definition of term: Draft Horse
draft+horse_pag1.html

Dark Horse >> D Words
Dark Horse, definition of term: Dark Horse
dark+horse_pag1.html

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Danube River, definition of term: Danube River
danube+river_pag1.html

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Colorado River, definition of term: Colorado River
colorado+river_pag1.html

Black Horse >> B Words
Black Horse, definition of term: Black Horse
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Columbia River >> C Words
Columbia River, definition of term: Columbia River
columbia+river_pag1.html

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