be used to

\r \r 2.Can also be used to change the subject

a construction that can be used to extend the meaning of a word or phrase but is not one of the main constituents of a sentence

an acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian)

information that can be used to attack or defend a claim or argument or viewpoint

can be used to initiate the reaction of a disrupting explosive n something serving as a cover or protection n a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom n a protective covering that is part of a plant n an upper limit on what is allowed n (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth n the upper part of a column that supports the entablature v lie at the top of v restrict the number or amount of