copperfasten
(transitive, figuratively, British, Irish) To reinforce, strengthen; to make permanent, embed.
ˈkɑpɚˌfæsn̩Documented since 1940s1940sBoomerhistorical145 viewsLast reviewed Jun 29, 2026＋ Add a definition
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Born ~1948 · no dated citations yet20th centurySee decade cohort →
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UK
#1·Apr 27, 2026UK
(transitive, figuratively, British, Irish) To reinforce, strengthen; to make permanent, embed.
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UK
#2·Apr 27, 2026UK
(transitive, historical) To protect the timbers of (a ship) with plates of copper secured with copper nails or bolts.
Origin: From . From copper sheathing of ship hulls (to protect from damage by marine organisms. Originally copper sheathing but non-copper bolts were used, leading to corrosion. Later copper bolts (fasteners) were also used, eliminating corrosion issues. Literal sense from 18th century, metaphorical sense attested 1948. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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Other words near "copperfasten" (C)
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