The Collaborative International Dictionary of English v.0.48:

Reindeer \Rein"deer`\ (r[=a]n"d[=e]r), n. [Icel. hreinn reindeer
   + E. deer. Icel. hreinn is of Lapp or Finnish origin; cf.
   Lappish reino pasturage.] [Formerly written also raindeer,
   and ranedeer.] (Zool.)
   Any ruminant of the genus Rangifer, of the Deer family,
   found in the colder parts of both the Eastern and Western
   hemispheres, and having long irregularly branched antlers,
   with the brow tines palmate.
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   Note: The common European species (Rangifer tarandus) is
         domesticated in Lapland. The woodland reindeer or
         caribou (Rangifer caribou) is found in Canada and
         Maine (see Caribou.) The Barren Ground reindeer or
         caribou (Rangifer Groenlandicus), of smaller size, is
         found on the shores of the Arctic Ocean, in both
         hemispheries.
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   Reindeer moss (Bot.), a gray branching lichen (Cladonia
      rangiferina) which forms extensive patches on the ground
      in arctic and even in north temperature regions. It is the
      principal food of the Lapland reindeer in winter.

   Reindeer period (Geol.), a name sometimes given to a part
      of the Paleolithic era when the reindeer was common over
      Central Europe.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Barren \Bar"ren\ (b[a^]r"ren), a. [OE. barein, OF. brehaing,
   fem. brehaigne, baraigne, F. br['e]haigne; of uncertain
   origin; cf. Arm. br['e]kha[~n], markha[~n], sterile; LL.
   brana a sterile mare, principally in Aquitanian and Spanish
   documents; Bisc. barau, baru, fasting.]
   1. Incapable of producing offspring; producing no young;
      sterile; -- said of women and female animals.
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            She was barren of children.           --Bp. Hall.
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   2. Not producing vegetation, or useful vegetation; sterile.
      "Barren mountain tracts." --Macaulay.
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   3. Unproductive; fruitless; unprofitable; empty.
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            Brilliant but barren reveries.        --Prescott.
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            Some schemes will appear barren of hints and matter.
                                                  --Swift.
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   4. Mentally dull; stupid. --Shak.
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   Barren flower, a flower which has only stamens without a
      pistil, or which has neither stamens nor pistils.

   Barren Grounds (Geog.), a vast tract in British America
      northward of the forest regions.

   Barren Ground bear (Zool.), a peculiar bear, inhabiting the
      Barren Grounds, now believed to be a variety of the brown
      bear of Europe.

   Barren Ground caribou (Zool.), a small reindeer (Rangifer
      Gr[oe]nlandicus) peculiar to the Barren Grounds and
      Greenland.
      [1913 Webster]