Dictionary.com Thesaurus.com

bulb keel

American

noun

Nautical.

a narrow keel having a swelling weight of lead or iron at the bottom.

Etymology

Origin of bulb keel

First recorded in 1890–95

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.