reservoir

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a large or extra supply of something
  2. noun lake used to store water for community use
  3. noun tank used for collecting and storing a liquid (as water or oil)

Etymology

From French réservoir (“collection place”) (fig.), réservoir (“storehouse”) (lit.). in turn from French réserver (“to reserve, keep”).

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