The Collaborative International Dictionary of English v.0.48:

Meadow \Mead"ow\, a.
   Of or pertaining to a meadow; of the nature of a meadow;
   produced, growing, or living in, a meadow. "Fat meadow
   ground." --Milton.
   [1913 Webster]

   Note: For many names of plants compounded with meadow, see
         the particular word in the Vocabulary.
         [1913 Webster]

   Meadow beauty. (Bot.) Same as Deergrass.

   Meadow foxtail (Bot.), a valuable pasture grass
      (Alopecurus pratensis) resembling timothy, but with
      softer spikes.

   Meadow hay, a coarse grass, or true sedge, growing in
      uncultivated swamp or river meadow; -- used as fodder or
      bedding for cattle, packing for ice, etc. [Local, U. S.]


   Meadow hen. (Zool.)
   (a) The American bittern. See Stake-driver.
   (b) The American coot (Fulica).
   (c) The clapper rail.

   Meadow mouse (Zool.), any mouse of the genus Arvicola, as
      the common American species Arvicola riparia; -- called
      also field mouse, and field vole.

   Meadow mussel (Zool.), an American ribbed mussel (Modiola
      plicatula), very abundant in salt marshes.

   Meadow ore (Min.), bog-iron ore, a kind of limonite.

   Meadow parsnip. (Bot.) See under Parsnip.

   Meadow pink. (Bot.) See under Pink.

   Meadow pipit (Zool.), a small singing bird of the genus
      Anthus, as Anthus pratensis, of Europe.

   Meadow rue (Bot.), a delicate early plant, of the genus
      Thalictrum, having compound leaves and numerous white
      flowers. There are many species.

   Meadow saffron. (Bot.) See under Saffron.

   Meadow sage. (Bot.) See under Sage.

   Meadow saxifrage (Bot.), an umbelliferous plant of Europe
      (Silaus pratensis), somewhat resembling fennel.

   Meadow snipe (Zool.), the common or jack snipe.
      [1913 Webster] meadowgrass

The Collaborative International Dictionary of English v.0.48:

Mouse \Mouse\ (mous), n.; pl. Mice (m[imac]s). [OE. mous, mus,
   AS. m[=u]s, pl. m[=y]s; akin to D. muis, G. maus, OHG. &
   Icel. m[=u]s, Dan. muus, Sw. mus, Russ. muishe, L. mus, Gr.
   my^s, Skr. m[=u]sh mouse, mush to steal. [root]277. Cf.
   Muscle, Musk.]
   1. (Zool.) Any one of numerous species of small rodents
      belonging to the genus Mus and various related genera of
      the family Muridae. The common house mouse (Mus
      musculus) is found in nearly all countries. The American
      white-footed mouse, or deer mouse (Peromyscus
      leucopus, formerly Hesperomys leucopus) sometimes lives
      in houses. See Dormouse, Meadow mouse, under Meadow,
      and Harvest mouse, under Harvest.
      [1913 Webster]

   2. (Naut.)
      (a) A knob made on a rope with spun yarn or parceling to
          prevent a running eye from slipping.
      (b) Same as 2d Mousing, 2.
          [1913 Webster]

   3. A familiar term of endearment. --Shak.
      [1913 Webster]

   4. A dark-colored swelling caused by a blow. [Slang]
      [1913 Webster]

   5. A match used in firing guns or blasting.
      [1913 Webster]

   Field mouse, Flying mouse, etc. See under Field,
      Flying, etc.

   Mouse bird (Zool.), a coly.

   Mouse deer (Zool.), a chevrotain, as the kanchil.

   Mouse galago (Zool.), a very small West American galago
      (Galago murinus). In color and size it resembles a
      mouse. It has a bushy tail like that of a squirrel.

   Mouse hawk. (Zool.)
      (a) A hawk that devours mice.
      (b) The hawk owl; -- called also mouse owl.

   Mouse lemur (Zool.), any one of several species of very
      small lemurs of the genus Chirogaleus, found in
      Madagascar.

   Mouse piece (Cookery), the piece of beef cut from the part
      next below the round or from the lower part of the latter;
      -- called also mouse buttock.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

fieldmouse \fieldmouse\, field mouse \field mouse\n.
   1. (Zool.) any nocturnal Old World mouse of the genus
      Apodemus inhabing woods and fields and gardens.
      [WordNet 1.5]

   2. (Zool.) any mouse inhabiting fields, as the campagnol
      and the deer mouse. See Campagnol, and Deer mouse.
      [1913 Webster]

WordNet (r) 3.0 (2006):

field mouse
    n 1: any of various small mouselike rodents of the family
         Cricetidae (especially of genus Microtus) having a stout
         short-tailed body and inconspicuous ears and inhabiting
         fields or meadows [syn: vole, field mouse]
    2: any nocturnal Old World mouse of the genus Apodemus
       inhabiting woods and fields and gardens [syn: field mouse,
       fieldmouse]

The Free On-line Dictionary of Computing (30 December 2018):

field mouse

   wireless mouse