What is a strong chain cable, or line of spars bound together, extended across a river or the mouth of a harbor, to obstruct navigation or passage called?
boom — (Mil. & Naval) A strong chain cable, or line of spars bound together, extended across a river or the mouth of a harbor, to obstruct navigation or passage. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00