sounder
Sounder (noun) means a device used to detect or measure depth, such as at sea. Example: “The crew used a sounder to check the depth of the harbor.”
How to use sounder
Learner’s notesIn plain EnglishEither a depth-measuring instrument, or the collective name for a group of wild boar.
Word forms
- Plural
- sounders
Fill the gap
Can you complete this real example?
The crew used a _____ to check the depth of the harbor.
Etymology
From sound (in the sense of "to measure depth") + -er.