[1] : The Collaborative International Dictionary of English v.0.48

moss \moss\ mo^s; 115, n. oe. mos; akin to as. me'os, d.
   mos, g. moos, ohg. mos, mios, icel. mosi, dan. mos, sw.
   mossa, russ. mokh', l. muscus. cf. muscoid.
   1. bot. a cryptogamous plant of a cellular structure, with
      distinct stem and simple leaves. the fruit is a small
      capsule usually opening by an apical lid, and so
      discharging the spores. there are many species,
      collectively termed musci, growing on the earth, on rocks,
      and trunks of trees, etc., and a few in running water.
      1913 webster

   note: the term moss is also popularly applied to many other
         small cryptogamic plants, particularly lichens, species
         of which are called tree moss, rock moss, coral moss,
         etc. fir moss and club moss are of the genus
         lycopodium. see club moss, under club, and
         lycopodium.
         1913 webster

   2. a bog; a morass; a place containing peat; as, the mosses
      of the scottish border.
      1913 webster

   note: moss is used with participles in the composition of
         words which need no special explanation; as,
         moss-capped, moss-clad, moss-covered, moss-grown, etc.
         1913 webster

   black moss. see under black, and tillandsia.

   bog moss. see sphagnum.

   feather moss, any moss branched in a feathery manner, esp.
      several species of the genus hypnum.

   florida moss, long moss, or spanish moss. see
      tillandsia.

   iceland moss, a lichen. see iceland moss.

   irish moss, a seaweed. see carrageen.

   moss agate min., a variety of agate, containing brown,
      black, or green mosslike or dendritic markings, due in
      part to oxide of manganese. called also mocha stone.

   moss animal zool., a bryozoan.

   moss berry bot., the small cranberry vaccinium
      oxycoccus.

   moss campion bot., a kind of mosslike catchfly silene
      acaulis, with mostly purplish flowers, found on the
      highest mountains of europe and america, and within the
      arctic circle.

   moss land, land produced accumulation of aquatic plants,
      forming peat bogs of more or less consistency, as the
      water is grained off or retained in its pores.

   moss pink bot., a plant of the genus phlox phlox
      subulata, growing in patches on dry rocky hills in the
      middle united states, and often cultivated for its
      handsome flowers. --gray.

   moss rose bot., a variety of rose having a mosslike
      growth on the stalk and calyx. it is said to be derived
      from the provence rose.

   moss rush bot., a rush of the genus juncus juncus
      squarrosus.

   scale moss. see hepatica.
      1913 webster
see also:
muscoid lycopodium club moss club black moss black 
tillandsia bog moss sphagnum feather moss hypnum 
florida moss long moss spanish moss iceland moss iceland moss 
irish moss carrageen moss agate mocha stone moss animal 
moss berry vaccinium oxycoccus moss campion silene acaulis moss land 
moss pink phlox phlox subulata moss rose moss rush 
juncus juncus squarrosus scale moss hepatica 

[2] : The Collaborative International Dictionary of English v.0.48

bog \bog\ bo^g, n. ir.  gael. bog soft, tender, moist: cf.
   ir. bogach bog, moor, marsh, gael. bogan quagmire.
   1913 webster
   1. a quagmire filled with decayed moss and other vegetable
      matter; wet spongy ground where a heavy body is apt to
      sink; a marsh; a morass.
      1913 webster

            appalled with thoughts of bog, or caverned pit,
            of treacherous earth, subsiding where they tread.
                                                  --r. jago.
      1913 webster

   2. a little elevated spot or clump of earth, roots, and
      grass, in a marsh or swamp. local, u. s.
      1913 webster

   bog bean. see buck bean.

   bog bumper bump, to make a loud noise, bog blitter,
   bog bluiter, bog jumper, the bittern. prov.

   bog butter, a hydrocarbon of butterlike consistence found
      in the peat bogs of ireland.

   bog earth min., a soil composed for the most part of
      silex and partially decomposed vegetable fiber. --p. cyc.

   bog moss. bot. same as sphagnum.

   bog myrtle bot., the sweet gale.

   bog ore. min.
      a an ore of iron found in boggy or swampy land; a
          variety of brown iron ore, or limonite.
      b bog manganese, the hydrated peroxide of manganese.

   bog rush bot., any rush growing in bogs; saw grass.

   bog spavin. see under spavin.
      1913 webster
see also:
bog bean buck bean bog bumper bog blitter bog bluiter bog jumper 
bog butter bog earth bog moss sphagnum bog myrtle 
bog ore bog rush bog spavin spavin 

[3] : WordNet (r) 2.0

bog moss
     n : any of various pale or ashy mosses of the genus sphagnum
         whose decomposed remains form peat syn: sphagnum, sphagnum
         moss, peat moss
see also:
sphagnum sphagnum moss peat moss 

Bog >> B Words
Bog, definition of term: Bog
bog_pag1.html

Club Moss >> C Words
Club Moss, definition of term: Club Moss
club+moss_pag1.html