term of art
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term of art
n. pl. terms of art
A term that has a specialized or restricted meaning within a particular field or trade.
[Translation of New Latin terminus artis : terminus, boundary, term + artis, genitive of ars, art, science, trade.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.