abra
n. countablen. a type of small, flat sea creature that looks like a tiny shell. It is often found in the ocean and is part of the group that includes snails and clams.
n. a genus of small, marine gastropod molluscs in the family Abidae. These organisms are typically found in shallow waters and are characterized by their small, often translucent shells.
The scientist found a small abra on the ocean floor.
During the beach cleanup, volunteers discovered several tiny abra shells among the sand and debris.
While not as well-known as their larger relatives, the abra plays a significant role in the marine ecosystem by contributing to the nutrient cycle through its feeding habits.
Last updated June 22, 2026