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Children's Dictionary
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traction the grip or holding power of a body moving on a surface.
tractor a powerful motor vehicle with large tires used to pull plows and other farm machines.
tractor-trailer a very large truck that consists of a cab where the driver sits and a trailer or semitrailer attached to it. Tractor-trailers are used to transport goods over long distances.
trade the act of exchanging or buying and selling goods. [4 definitions]
trademark a name, symbol, or other mark used to show who made a product. By law, only the company that makes or sells the product may use its trademark.
trader a person who buys and sells; dealer; merchant.
trading the act or activity of exchanging items or buying or selling goods.
trading post a store in a frontier area or other place far from towns. At a trading post, local products can be traded for goods brought from distant places.
tradition the handing down of a culture's beliefs and customs from parents to children over many years. [2 definitions]
traditional relating to customs and ways of doing things in a particular culture that are passed down from parents to children.
traffic the movement of people or vehicles along a sidewalk, road, or other route of travel. [4 definitions]
traffic light a street or road signal used to tell drivers when to stop or go. The signal changes colors from red to green to yellow.
tragedy a disaster; a very sad event. [2 definitions]
tragic having to do with tragedy. [3 definitions]
trail to drag along behind on the ground. [7 definitions]
trailer a wagon pulled by a car or truck and used to carry a load. [2 definitions]
train a connected series of railroad cars. [9 definitions]
trainer a person who trains people or horses so they are strong and ready for competition.
training instruction and practice that prepares a person or animal to do a job, have a skill, or play a sport.
train station a place where train tickets are sold and where passengers and goods are let on or off trains.
trait a characteristic or quality that makes a person or animal different from others.