aq·ua 
(ăkwə, äkwə)
(ăkwə, äkwə)n. pl. aq·uae (ăkwē, äkwī′) or aq·uas
1. Water.
2. An aqueous solution.
3. A light bluish green to light greenish blue.
[Middle English, from Latin; see akw-ā- in the Appendix of Indo-European roots.]
aqua adj.