copperfasten

ˈkɑpɚˌfæsn̩

2 definitions

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#1·15h ago

(transitive, historical) To protect the timbers of (a ship) with plates of copper secured with copper nails or bolts.

1796, The Hull Advertiser, 9th July 1796:

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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#2·15h ago

(transitive, figuratively, British, Irish) To reinforce, strengthen; to make permanent, embed.

: She is copper-fastened and copper-bottomed, and a remarkable fine ship.

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