bernacle
/ˈbɜrnəkəl/Definitions
1. noun
A barnacle-like structure or growth, especially one formed by the secretion of a marine animal, such as a mussel or an oyster.
“The ship’s hull had formed a bernacle of barnacles that needed to be removed.”
2. noun
A crustacean of the class Cirripedia, especially one of the order Sessilia.
“The bernacle was attached to the rock, filtering the water for plankton and small organisms.”
3. noun
A shell or encrustation forming a structure resembling a barnacle.
“The coral reef was covered in a mass of bernacles that added to its beauty.”