WordReference Random House Unabridged Dictionary of American English © 2025
dive•mas•ter
(dīv′mas′tər, -mä′stər),USA pronunciation n.
- Sporta professional qualified to oversee scuba diving operations, as in salvage work or at a resort, and responsible for procedures and safety, monitoring the whereabouts of divers underwater or at the surface, and making rescues when necessary.
- dive + master