| acacia |
a tree that grows in tropical areas of the world, especially in parts of Africa and Australia. The branches of an acacia spread out very wide and evenly across the top. Sometimes the top of the tree looks almost flat. |
| aircraft carrier |
a very large ship with a flat deck on which airplanes can take off and land. |
| anvil |
a heavy metal block with a flat top on which heated metal objects are hammered into shapes. |
| balance |
an instrument for weighing objects that has two flat pans hanging from or resting on a bar; scales. [1/6 definitions] |
| barge |
a large, long boat with a flat bottom used for carrying freight. |
| barrel |
a round container with a flat top and bottom and bulging sides, often made of wood boards and metal hoops. [1/4 definitions] |
| barrow1 |
a flat frame used for carrying a load. A barrow has two handles at each end or handles at one end and a wheel at the other; wheelbarrow. |
| beaker |
an open glass container with a flat bottom and a pouring spout. Beakers are used by chemists and other scientists. |
| beaten |
hammered into a new shape, often flat. [1/3 definitions] |
| beaver1 |
a large rodent, up to four feet long, with thick brown fur and a wide flat tail. Beavers use their long front teeth to cut down trees for food and to build dams and lodges (beaver houses). They use the dams to keep water around their lodges. Beavers live in North America, Europe, and Asia. |
| bent1 |
not having the proper shape of a thing, as by not being perfectly straight, flat, or circular. [1/4 definitions] |
| beret |
a soft, round, flat cap with a snug headband. A beret does not have a visor. |
| blade |
a thin, flat part, as of an oar or an electric fan. [1/4 definitions] |
| block |
a solid piece of hard material, such as wood or concrete, with flat sides. [1/9 definitions] |
| board |
a flat, cut piece of wood; plank. [2/8 definitions] |
| bolt1 |
a metal screw with a flat end rather than a point. A bolt screws into a matching nut. [1/8 definitions] |
| bow tie |
a short necktie tied in a simple, flat bow. |
| breastbone |
the flat bone located in the center of the chest. A person's ribs on both sides of the chest are joined to the breastbone. |
| briefcase |
a small case in the shape of a flat box, used for carrying documents or books. |
| brim |
a flat edge that sticks out. [1/3 definitions] |
| bucket |
an open container with round sides, a flat bottom, and a curved handle attached to the top; pail. |