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HYDROLANT

American  
[hahy-druh-lant] / ˈhaɪ drəˌlænt /

noun

  1. an urgent warning of navigational dangers in the Atlantic Ocean, issued by the U.S. Navy Hydrographic Office.

Etymology

Origin of HYDROLANT

hydro- 1 + (At)lant(ic)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.