divemaster

American  

[dahyv-mas-ter, -mah-ster] / ˈdaɪvˌmæs tər, -ˌmɑ stər /

noun

1. a 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.

---

Etymology

Origin of divemaster

dive + master

Example Sentences

She is now a certified fish data scientist and divemaster, who spends much of her free time volunteering with the Reef Fund and describes the move as "the best decision I ever made".

From BBC • Dec. 9, 2023

Lewis became a divemaster and is now president of Texas Caribbean Charters, which takes about 1,000 people a year out on diving trips there, with about half making a return trip.

From Seattle Times • Nov. 18, 2023

Gruber has been a biologist for the state of Florida, an underwater tour guide at the John Pennekamp Coral Reef State Park, a professional divemaster, and a test pilot for new underwater devices.

From The Verge • Feb. 13, 2020

I had worked as a divemaster in Zanzibar, so I had a fair amount of experience locating hard-to-find organisms.

From Scientific American • Feb. 27, 2019

I have worked as a divemaster in scuba diving, and always used a rule of "we dive for fun, if the dive doesn't look like fun to you, do NOT do the dive."

From New York Times • Feb. 26, 2018