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coast|al /koʊ st ^ə l/ ADJ [ADJ n] Coastal is used to refer to things that are in the sea or on the land near a coast. □  Local radio stations serving coastal areas often broadcast forecasts for yachtsmen. □  The fish are on sale from our own coastal waters.

coast|er /koʊ stə ^r / (coasters )

1 N‑COUNT A coaster is a small mat that you put underneath a glass or cup to protect the surface of a table.

2 N‑COUNT A coaster is a ship that sails along the coast taking goods to ports. [BRIT ]

3 → see also roller-coaster

coast|guard /koʊ stgɑː ^r d/ (coastguards ) in AM, usually use Coast Guard 1 N‑COUNT A coastguard is an official who watches the sea near a coast in order to get help for sailors when they need it and to stop illegal activities. [mainly BRIT ] ● N‑SING The coastguard is the organization to which coastguards belong. [BRIT ] □  The survivors were lifted off by two helicopters from the Coastguard.

2 N‑COUNT The Coast Guard is a part of a country's military forces and is responsible for protecting the coast, carrying out rescues, and doing police work along the coast. [AM ] □  The U.S. Coast Guard says it rescued more than 100 Haitian refugees. ● N‑COUNT A Coast Guard is a member of the coastguard. [AM ] □  The boat was intercepted by U.S. Coast Guards.

coast|line /koʊ stla I n/ (coastlines ) N‑VAR A country's coastline is the outline of its coast. □  Thousands of volunteers gave up part of their weekend to clean up the California coastline.

coat ◆◇◇ /koʊ t/ (coats , coating , coated )

1 N‑COUNT A coat is a piece of clothing with long sleeves which you wear over your other clothes when you go outside. □  He turned off the television, put on his coat and walked out.

2 N‑COUNT [usu with poss] An animal's coat is the fur or hair on its body. □  Vitamin B6 is great for improving the condition of dogs' and horses' coats.

3 VERB If you coat something with a substance or in a substance, you cover it with a thin layer of the substance. □ [V n + with/in ] Coat the fish with seasoned flour. ●  coat|ed ADJ [v-link ADJ , adv ADJ ] □ [+ with/in ] TV pictures showed a dying bird coated with oil. □  Dip the pieces so they are completely coated.

4 N‑COUNT A coat of paint or varnish is a thin layer of it on a surface. □ [+ of ] The front door needs a new coat of paint.

-coated /koʊ t I d/

1 COMB [ADJ n] -coated combines with colour adjectives such as 'white' and 'red', or words for types of coat like 'fur', to form adjectives that describe someone as wearing a certain sort of coat. □  At the top of the stairs stood the white-coated doctors.

2 COMB -coated combines with names of substances such as 'sugar' and 'plastic' to form adjectives that describe something as being covered with a thin layer of that substance. □  …chocolate-coated sweets. □  …plastic-coated wire.

coa t hang|er (coat hangers ) also coathanger N‑COUNT A coat hanger is a curved piece of wood, metal, or plastic that you hang a piece of clothing on.

coat|ing /koʊ t I ŋ/ (coatings ) N‑COUNT A coating of a substance is a thin layer of it spread over a surface. □ [+ of ] Under the coating of dust and cobwebs, he discovered a fine French Louis XVI clock.

coa t of a rms (coats of arms ) N‑COUNT The coat of arms of a family, town, or organization is a special design in the form of a shield that they use as a symbol of their identity. [mainly BRIT ]

coa t-tails also coattails

1 N‑PLURAL [oft poss N ] Coat-tails are the two long pieces at the back of a tailcoat .

2 PHRASE If you do something on the coat-tails of someone else, you are able to do it because of the other person's success, and not because of your own efforts. □  They accused him of riding on the coat-tails of the president.