Unscramble

c 3 o 1 f 4 f 4 e 1 r 1 d 2 a 1 m 3

9 letters · 20 points in Scrabble

Meaning

noun large watertight chamber used for construction under water

originFrom coffer + dam. The dental dam sense was introduced in English by dentist Sanford Christie Barnum at New York City in 1864 (by metaphor), but after his century it was maintained only in languages other than English (for example, German Kofferdam as a loanword from 19th-century English).

Etymology from Wiktionary, CC BY-SA 3.0

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