from The Century Dictionary and Cyclopedia
- n. A fore-and-aft mainsail, the foot of which is extended by a boom.
Sorry, no etymologies found.
When the brig was close under the first battery, the enemy opened their fire at her; but so near was she to the cliffs, that they could not sufficiently depress their guns to touch her decks, their lowest shot going through the boom-mainsail, four or five feet above the hammock-netting.
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