A leave of absence, often with pay, usually granted every seventh year, as to a college professor, for travel, research, or rest.
A year during which land remained fallow, observed every seven years by the ancient Jews.
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.