Source : Webster's Revised Unabridged Dictionary (1913)

Wren \Wren\ (r[e^]n), n. [OE. wrenne, AS. wrenna, wr[ae]nna,
   perhaps akin to wr[=ae]ne lascivious.]
   1. (Zo["o]l.) Any one of numerous species of small singing
      birds belonging to {Troglodytes} and numerous allied of
      the family {Troglodytid[ae]}.

   Note: Among the species best known are the house wren
         ({Troglodytes a["e]don}) common in both Europe and
         America, and the American winter wren ({T. hiemalis}).
         See also {Cactus wren}, {Marsh wren}, and {Rock wren},
         under {Cactus}, {Marsh}, and {Rock}.

   2. (Zo["o]l.) Any one of numerous species of small singing
      birds more or less resembling the true wrens in size and
      habits.

   Note: Among these are several species of European warblers;
         as, the reed wren (see {Reed warbler}
      (a), under {Reed}), the sedge wren (see {Sedge warbler},
          under {Sedge}), the willow wren (see {Willow warbler},
          under {Willow}), the golden-crested wren, and the
          ruby-crowned wren (see {Kinglet}).

   {Ant wren}, any one of numerous South American birds of the
      family {Formicarid[ae]}, allied to the ant thrushes.

   {Blue wren}, a small Australian singing bird ({Malurus
      cyaneus}), the male of which in the breeding season is
      bright blue. Called also {superb warbler}.

   {Emu wren}. See in the Vocabulary.

   {Wren babbler}, any one of numerous species of small timaline
      birds belonging to {Alcippe}, {Stachyris}, {Timalia}, and
      several allied genera. These birds are common in Southern
      Asia and the East Indies.

   {Wren tit}. See {Ground wren}, under {Ground}.

   {Wren warbler}, any one of several species of small Asiatic
      and African singing birds belonging to {Prinia} and allied
      genera. These birds are closely allied to the tailor
      birds, and build their nests in a similar manner. See also
      {Pincpinc}.

--Simonds.

   {House car} (Railroad), a freight car with inclosing sides
      and a roof; a box car.

   {House of correction}. See {Correction}.

   {House cricket} (Zo["o]l.), a European cricket ({Gryllus
      domesticus}), which frequently lives in houses, between
      the bricks of chimneys and fireplaces. It is noted for the
      loud chirping or stridulation of the males.

   {House dog}, a dog kept in or about a dwelling house.

   {House finch} (Zo["o]l.), the burion.

   {House flag}, a flag denoting the commercial house to which a
      merchant vessel belongs.

   {House fly} (Zo["o]l.), a common fly (esp. {Musca
      domestica}), which infests houses both in Europe and
      America. Its larva is a maggot which lives in decaying
      substances or excrement, about sink drains, etc.

   {House of God}, a temple or church.

   {House of ill fame}. See {Ill fame} under {Ill}, a.

   {House martin} (Zo["o]l.), a common European swallow
      ({Hirundo urbica}). It has feathered feet, and builds its
      nests of mud against the walls of buildings. Called also
      {house swallow}, and {window martin}.

   {House mouse} (Zo["o]l.), the common mouse ({Mus musculus}).
      

   {House physician}, the resident medical adviser of a hospital
      or other public institution.

   {House snake} (Zo["o]l.), the milk snake.

   {House sparrow} (Zo["o]l.), the common European sparrow
      ({Passer domesticus}). It has recently been introduced
      into America, where it has become very abundant, esp. in
      cities. Called also {thatch sparrow}.

   {House spider} (Zo["o]l.), any spider which habitually lives
      in houses. Among the most common species are {Theridium
      tepidariorum} and {Tegenaria domestica}.

   {House surgeon}, the resident surgeon of a hospital.

   {House wren} (Zo["o]l.), the common wren of the Eastern
      United States ({Troglodytes a["e]don}). It is common about
      houses and in gardens, and is noted for its vivacity, and
      loud musical notes. See {Wren}.

   {Religious house}, a monastery or convent.

   {The White House}, the official residence of the President of
      the United States; -- hence, colloquially, the office of
      President.

Source : WordNet®

Troglodytes aedon
     n : common American wren that nests around houses [syn: {house
         wren}]