O'Ca·sey(ō-kā′sē), Sean Originally John Casey. 1880-1964.
Irish playwright. His dramas, including Juno and the Paycock (1924) and The Plough and the Stars (1926), show compassion for the poor and concern over Irish political issues.
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.