The Collaborative International Dictionary of English v.0.48:

Gaultheria \Gaul*the"ri*a\, n. [NL.] (Bot.)
   A genus of ericaceous shrubs with evergreen foliage, and,
   often, edible berries. It includes the American winter-green
   (Gaultheria procumbens), and the larger-fruited salal of
   Northwestern America (Gaultheria Shallon).
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

groundberry \groundberry\ n.
   A small prostrate or ascending shrub (Astroloma humifusum)
   having scarlet flowers and thin-fleshed succulent fruit
   resembling cranberries; sometimes placed in the genus
   Styphelia.

   Syn: native cranberry, cranberry heath, Astroloma
        humifusum, Styphelia humifusum.
        [WordNet 1.5]

   2. A creeping shrub of eastern North America (Gaultheria
      procumbens) having white bell-shaped flowers followed by
      spicy red berrylike fruit and shiny aromatic leaves that
      yield wintergreen oil.

   Syn: teaberry, wintergreen, checkerberry, mountain tea,
        creeping wintergreen, Gaultheria procumbens.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Partridge \Par"tridge\ (p[aum]r"tr[i^]j), n. [OE. partriche,
   pertriche, OF. pertris, perdriz, F. perdrix, L. perdix,
   -icis, fr. Gr. pe`rdix.] (Zool.)
   1. Any one of numerous species of small gallinaceous birds of
      the genus Perdix and several related genera of the
      family Perdicid[ae], of the Old World. The partridge is
      noted as a game bird.
      [1913 Webster]

            Full many a fat partrich had he in mew. --Chaucer.
      [1913 Webster]

   Note: The common European, or gray, partridge (Perdix
         cinerea) and the red-legged partridge (Caccabis
         rubra) of Southern Europe and Asia are well-known
         species.
         [1913 Webster]

   2. Any one of several species of quail-like birds belonging
      to Colinus, and allied genera. [U.S.]
      [1913 Webster]

   Note: Among them are the bobwhite (Colinus Virginianus) of
         the Eastern States; the plumed, or mountain, partridge
         (Oreortyx pictus) of California; the Massena
         partridge (Cyrtonyx Montezum[ae]); and the California
         partridge (Callipepla Californica).
         [1913 Webster]

   3. The ruffed grouse (Bonasa umbellus). [New Eng.]
      [1913 Webster]

   Bamboo partridge (Zool.), a spurred partridge of the genus
      Bambusicola. Several species are found in China and the
      East Indies.

   Night partridge (Zool.), the woodcock. [Local, U.S.]

   Painted partridge (Zool.), a francolin of South Africa
      (Francolinus pictus).

   Partridge berry. (Bot.)
      (a) The scarlet berry of a trailing american plant
          (Mitchella repens) of the order Rubiace[ae],
          having roundish evergreen leaves, and white fragrant
          flowers sometimes tinged with purple, growing in pairs
          with the ovaries united, and producing the berries
          which remain over winter; also, the plant itself.
      (b) The fruit of the creeping wintergreen (Gaultheria
          procumbens); also, the plant itself.

   Partridge dove (Zool.) Same as Mountain witch, under
      Mountain.

   Partridge pea (Bot.), a yellow-flowered leguminous herb
      (Cassia Cham[ae]crista), common in sandy fields in the
      Eastern United States.

   Partridge shell (Zool.), a large marine univalve shell
      (Dolium perdix), having colors variegated like those of
      the partridge.

   Partridge wood
      (a) A variegated wood, much esteemed for cabinetwork. It
          is obtained from tropical America, and one source of
          it is said to be the leguminous tree Andira inermis.
          Called also pheasant wood.
      (b) A name sometimes given to the dark-colored and
          striated wood of some kind of palm, which is used for
          walking sticks and umbrella handles.

   Sea partridge (Zool.), an Asiatic sand partridge
      (Ammoperdix Bonhami); -- so called from its note.

   Snow partridge (Zool.), a large spurred partridge (Lerwa
      nivicola) which inhabits the high mountains of Asia;
      called also jermoonal.

   Spruce partridge. See under Spruce.

   Wood partridge, or Hill partridge (Zool.), any small
      Asiatic partridge of the genus Arboricola.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wintergreen \Win"ter*green`\, n. (Bot.)
   A plant which keeps its leaves green through the winter.
   [1913 Webster]

   Note: In England, the name wintergreen is applied to the
         species of Pyrola which in America are called
         English wintergreen, and shin leaf (see Shin leaf,
         under Shin.) In America, the name wintergreen is
         given to Gaultheria procumbens, a low evergreen
         aromatic plant with oval leaves clustered at the top of
         a short stem, and bearing small white flowers followed
         by red berries; -- called also checkerberry, and
         sometimes, though improperly, partridge berry.
         [1913 Webster]

   Chickweed wintergreen, a low perennial primulaceous herb
      (Trientalis Americana); -- also called star flower.

   Flowering wintergreen, a low plant (Polygala paucifolia)
      with leaves somewhat like those of the wintergreen
      (Gaultheria), and bearing a few showy, rose-purple
      blossoms.

   oil of wintergreen, An aromatic oil, consisting almost
      entirely of methyl salicylate (CH3CO.O.C6H4.OH),
      obtained by distillation of an extract of the wintergreen
      (Gaultheria procumbens); it can also be obtained from
      some other plants. It is used as a flavoring agent for
      tooth powders and pastes, sometimes combined with menthol
      or eucalyptus. It is called also oil of teaberry, oil
      of partridgeberry, and oil of gaultheria.

   Spotted wintergreen, a low evergreen plant (Chimaphila
      maculata) with ovate, white-spotted leaves.
      [1913 Webster + PJC]

The Collaborative International Dictionary of English v.0.48:

Boxberry \Box"ber`ry\, n. (Bot.)
   The wintergreen. (Gaultheria procumbens). [Local, U.S.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Checkerberry \Check"er*ber`ry\ (ch[e^]k"[~e]r*b[e^]r`r[y^]), n.;
   pl. Checkerberries. (Bot.)
   A spicy plant and its bright red berry; the wintergreen
   (Gaultheria procumbens). Also incorrectly applied to the
   partridge berry (Mitchella repens).
   [1913 Webster]

WordNet (r) 3.0 (2006):

Gaultheria procumbens
    n 1: creeping shrub of eastern North America having white bell-
         shaped flowers followed by spicy red berrylike fruit and
         shiny aromatic leaves that yield wintergreen oil [syn:
         teaberry, wintergreen, checkerberry, mountain tea,
         groundberry, ground-berry, creeping wintergreen,
         Gaultheria procumbens]