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plate a flat, round dish from which food is served or eaten; the food on such a dish. [5 definitions]
plateau a high, level area of land.
plate tectonics (used with a singular verb) a theory that scientists use to explain the movement of continents, the eruption of volcanoes, and other changes or events in the earth's geology. The theory of plate tectonics says that the earth's crust is made up of separate sections that are like very large plates. These sections move around constantly because they float on melted rock. The movement of these sections of the crust causes earthquakes.
platform a raised, level surface used as a stage. [3 definitions]
platinum a soft, heavy, silver-white metal that is one of the chemical elements. Platinum is very valuable and is used in making jewelry. It can be combined with other metals to form alloys. (symbol: Pt)
platoon a military unit of two or more squads that is led by a lieutenant and has its own headquarters.
platter a large shallow dish used for serving food.
platypus a mammal with a wide bill, a long, flat tail, and webbed feet for swimming. Platypuses live near streams in Australia. They are one of only two kinds of mammals that lay eggs. They are sometimes called duck-billed platypuses.
play activity that is meant to relax or amuse. [8 definitions]
player someone who takes part in a game or sport. [3 definitions]
playful cheerful and having a lot of energy. [2 definitions]
playground an outdoor area where children can play. Many playgrounds have equipment such as swings and slides.
playing card one of a set of fifty-two cards that are divided into four suits of spades, clubs, hearts, and diamonds. Playing cards are used in playing different games.
playmate a child who plays with another child.
playoff in sports, final or extra games or rounds to settle a tie or decide a championship.
play one's cards to make and carry out good choices.
playpen a small pen where a baby or young child can play safely.
play possum to pretend to be asleep or dead; keep very still to avoid being noticed. Opossums do this so predators will ignore them.
plaything something that is played with; toy.
play with fire to bring about danger by doing something in a reckless way.
playwright one who writes plays.