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

aquatic \aquat"ic\, a. l. aquaticus: cf. f. aquatique. see
   aqua.
   pertaining to water; growing in water; living in, swimming
   in, or frequenting the margins of waters; as, aquatic plants
   and fowls.
   1913 webster
see also:
aqua 

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

aquatic \aquat`ic\, n.
   1. an aquatic animal or plant.
      1913 webster

   2. pl. sports or exercises practiced in or on the water.
      1913 webster

[3] : WordNet (r) 2.0

aquatic
     adj 1: relating to or consisting of or being in water; "an aquatic
            environment"
     2: operating or living or growing in water; "boats are aquatic
        vehicles"; "water lilies are aquatic plants"; "fish are
        aquatic animals" ant: terrestrial, amphibious
     n : a plant that lives in or on water
see also:
terrestrial amphibious 

[4] : Moby Thesaurus II by Grady Ward, 1.0

27 moby thesaurus words for "aquatic":
   aqueous, balneal, deep-sea, estuarine, grallatorial, hydrated,
   hydraulic, hydrous, liquid, littoral, natant, natatorial, natatory,
   plashy, seashore, shore, sloppy, splashy, swashy, swimming, tidal,
   water-dwelling, water-growing, water-living, water-loving,
   waterish, watery

Aquatic >> A Words
Aquatic, definition of term: Aquatic
aquatic_pag1.html

Aquatic Plant >> A Words
Aquatic Plant, definition of term: Aquatic Plant
aquatic+plant_pag1.html

Scalops Aquatic >> S Words
Scalops Aquatic, definition of term: Scalops Aquatic
scalops+aquatic_pag1.html