costa

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)
  2. noun any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)

Etymology

Unadapted borrowing from Latin costa (“a rib”). Doublet of coast.

In classic literature

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