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lightboat

American  
[lahyt-boht] / ˈlaɪtˌboʊt /

noun

  1. a small lightship.

Etymology

Origin of lightboat

An Americanism dating back to 1825–35; light 1 + boat

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.