divemaster
Pluraldivemasters
- 1A trained professional who guides and takes charge of a group of divers underwater.
Like a mountain guide, except the danger is depth and air supply rather than altitude.
The divemaster signaled the group to ascend slowly when one tank ran low.
She trained for months to qualify as a divemaster at the dive center.
Note
A rank in recreational diving as much as a job title: it is the first leadership-level qualification in the major scuba training agencies, and it is a common step before instructor training. The word is a plain compound of dive and master, written solid and pluralized regularly as divemasters. Here master carries its old sense of the person in charge rather than an expert.
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Origin
Formed from 'dive' plus 'master'.