[sem-per fi-dey-lis; English sem-per fi-dey-lis, -dee-]
always faithful: motto of the U.S. Marine Corps.
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Latin for “always faithful”; the motto of the United States Marine Corps.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.