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n. pl. du·tiesIdioms:
a. An act or a course of action that is required of one by position, social custom, law, or religion: the duties of being a critical care nurse.
b. Required action or service: jury duty; beyond the call of duty. See Synonyms at function.
c. Active military service: a tour of duty.
a. Moral or legal obligation: It is your duty to tell the truth.
b. The compulsion felt to meet such obligation: acting out of duty.
3. A tax charged by a government, especially on imports.
a. The application of something for a purpose; use: The dining room table also does duty as a desk.
b. A measure of efficiency expressed as the amount of work done per unit of energy used.
5. The total volume of water required to irrigate a given area in order to cultivate a specific crop until harvest.
Obliged: You are duty bound to help your little sister and brother.
Not engaged in or responsible for assigned work.
Engaged in or responsible for assigned work.
[Middle English duete, from Anglo-Norman, from due, variant of Old French deu, due; see due.]
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.
tasks to be done as part of one's job. See also duty
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014