1. Growing or remaining under water
   "viewing subaqueous fauna from a glass-bottomed boat"
   - subaquatic, submerged, submersed, underwater

See also: aquatic

• coprophagy
• coprophilia
• copse
• Copt
• copter
• Coptic
• Coptic Church
• Coptis
• Coptis groenlandica
• Coptis trifolia groenlandica
• copula
• copular
• copulate
• copulation
• copulative
• copulative conjunction
• copulatory
• copy
• copy editing
• copy editor
• copy out
• copy-and-paste
• copybook
• copycat
• copyedit