arch

Reading level: hard

Estimated CEFR level: B1 — Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a curved shape in the vertical plane that spans an opening
  2. noun a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
  3. noun a passageway under a curved masonry construction

Etymology

From Middle English arch, arche, from Old French arche (“an arch”), a feminine form of arc, from Latin arcus (“a bow, arc, arch”). Doublet of arc and arco. Displaced native Old English bīeġels and Old English hwealf.

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