0 a greenish-blue colour:
1 water, when it is used in make-up and beauty products:
Shampoo, shaving foam, and toothpaste all contain aqua (water), laureth sodium sulfate, and a whole list of other near-identical ingredients.
2 of a greenish-blue colour:
metal serving trays (13") in canary, plum, palm, orange, orchid, fuchsia or aqua
The wading birds and the delightful aqua tic life that once existed there have almost totally disappeared.