The gestures, postures, and facial expressions by which a person manifests various physical, mental, or emotional states and communicates nonverbally with others.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "body language" in a sentence
"That is, the child who is unable to interpret and understand the nonverbal behavior of others will also have marked difficulty understanding the effects of his own body language and paralinguistic skills."
"The ability to read and interpret body language is known as kinesics."
"Her body language is dramatic—the wayshe crosses her arms to say ‘What do you mean by that?’"