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:

Vole \Vole\, n. (Zool.)
   Any one of numerous species of micelike rodents belonging to
   Arvicola and allied genera of the subfamily Arvicolinae.
   They have a thick head, short ears, and a short hairy tail.
   [1913 Webster]

   Note: The water vole, or water rat, of Europe (Arvicola
         amphibius) is a common large aquatic species. The
         short-tailed field vole (Arvicola agrestis) of
         Northern and Central Europe, and Asia, the Southern
         field vole (Arvicola arvalis), and the Siberian root
         vole (Arvicola oeconomus), are important European
         species. The common species of the Eastern United
         States (Arvicola riparius) (called also meadow
         mouse) and the prairie mouse (Arvicola austerus) are
         abundant, and often injurious to vegetation. Other
         species are found in Canada.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Campagnol \Cam`pa`gnol"\, n. [F., fr. campagne field.] (Zool.)
   A mouse (Arvicala agrestis), called also meadow mouse,
   which often does great damage in fields and gardens, by
   feeding on roots and seeds.
   [1913 Webster]

WordNet (r) 3.0 (2006):

meadow mouse
    n 1: widely distributed in grasslands of northern United States
         and Canada [syn: meadow vole, meadow mouse, Microtus
         pennsylvaticus]