WordReference Random House Unabridged Dictionary of American English © 2026
mast′ clamp′, [Naut.]
- Nauticala pierced slab of hardwood built into the deck structure of a small ship or boat to receive the force of the mast, which is fitted tightly through it.
- NauticalAlso called mast hasp. a metal collar fitted to a thwart of a small boat to steady a mast.
'mast clamp' also found in these entries (note: many are not synonyms or translations):