Spotter and Sonar

Spotter noun - A worker employed to apply spots (as markers or identifiers).

Sonar and spotter are semantically related. In some cases you can use "Sonar" instead a noun "Spotter".

Nearby Words: spotted, spotty, spotting

Sonar noun - A measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return.

Spotter and sonar are semantically related. Sometimes you can use "Spotter" instead a noun "Sonar".