Real Dictionary

trash
Trash consists of unwanted things or waste material such as used paper, empty containers and bottles, and waste food.
uncountable noun: If you say that something such as a book, painting, or film is trash, you mean that it is of very poor quality.
verb: If someone trashes a place or vehicle, they deliberately destroy it or make it very dirty.
verb: If you trash people or their ideas, you criticize them very strongly and say that they are worthless.

trash in American English
noun: anything worthless, useless, or discarded; rubbish
transitive verb: to destroy, damage, or vandalize, as in anger or protest

trash in American English 1
parts that have been broken off, stripped off, etc., esp. leaves, twigs, husks, and other plant trimmings

trash in American English 2
a leash for restraining an animal
to restrain, as by a leash

trash in British English 1
noun: foolish ideas or talk; nonsense
verb: to remove the outer leaves and branches from (growing plants, esp sugar cane)

trash in British English 2
noun: a lead for a dog
verb: to restrain with or as if with a lead