late 15c., "pertaining to water," from Old French aquatique (13c.), from Latin aquaticus "growing in water; bringing rain," from aqua "water" (from PIE root *akwa- "water"). From 1640s as "living in water."
an aquatic environment
water lilies are aquatic plants
fish are aquatic animals
boats are aquatic vehicles
aquanaut
aquarelle
Aquarian
aquarium
Aquarius
aquatic
aquatint
aqueduct
aqueous
aquifer
Aquila
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