Definitions

1. noun

A small calcium carbonate or other mineral structure found in the inner ear of fish and other aquatic animals, involved in balance and hearing.

“The otoliths in the fish’s inner ear helped it navigate through the water with great precision.”

2. noun

A small, rounded mass of mineral matter in the inner ear of a vertebrate.

“The otolith in the frog’s inner ear played a crucial role in its ability to jump and balance.”