depth finder

1. 1.

   navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)

   Broadernavigational instrument

   Narrowersonic depth finder

Questions about depth finder

What does depth finder mean?

depth finder means "navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)".

Is depth finder a common word?

depth finder is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.