"Training dives" refers to the practice sessions or lessons taken by scuba divers or military personnel to become better at diving or to learn specific skills underwater. Full definition
This means that you are completing your theory and swimming pool sessions prior to your arrival and make the 4 open water training dives with us. (hvardivers.com)
They've completed the program that sets the standard for training dive professionals. (latchidivecentre.com)
During this four day program you'll take part in some class room study sessions, training dives in our purpose built pool and you'll make four open water dives in the ocean. (world-diving.com)