early 13c., "species of wild goose;" as a type of "shellfish," first recorded 1580s. Often derived from a Celtic source (compare Breton bernik, a kind of shellfish), but the applic [..]

A type of shell fish that sticks to the bottom of the ship's hull. If too many get attached they’ll slow the ship down so they need to be scraped off regularly.

  species of goose supposed to be hatched from sea shells.

A barnacle is a small parasitic shellfish that cements itself headfirst to whales, boat hulls, rocks, and other objects that remain underwater. They have tiny feathery plumes that protrude from their top that strain food from the water for nourishment. There are over 1,000 different species of barnacles.

(n) marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces(n) European goose smaller than the brant; br [..]

A superorder of marine Crustacea, free Swimming in the larval state, but permanently fixed as Adults. There are some 800 described species, grouped in several genera, and comprising of two major order [..]

Small marine growth which attaches itself to a vessel’s hull in large numbers, often greatly retarding her speed.

A small shellfish which sticks to the bottoms of ships.

    Small marine animal that attaches itself to hulls and pilings.  

A species of shell-fish, often attaching themselves to the hulls of ships.

A small shellfish which sticks to the bottoms of ships.

a species of shell fish that looks like a tiny volcano and feeds by gathering nutrients on its feathery appendages called cirri, and is often found attached to the bottom of vessels, pilings, rocks, e [..]

A small shellfish which sticks to the bottoms of ships.

A marine crustacean with an external hard shell. These animals attach themselves to many types of surfaces including parts of whales and other large marine mammals. Photo: Aleria Jensen, NOAA/NMFS/AKF [..]

A fellow who sticks to one job a year or more.

a shellfish, supposed to produce the sea-bird of the same name

a small shellfish that attaches itself to hard surfaces, such as rocks and boats. beak:

a shelllike marine animal which attaches itself to the underwater portion of a ships hull; this increases water resistance and thus reduces ships speed