controller

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun someone who maintains and audits business accounts
  2. noun a person who directs and restrains
  3. noun a mechanism that controls the operation of a machine

Etymology

From Middle English countreroller, from Anglo-Norman contreroulour and Middle French contreroleur (French contrôleur), from Medieval Latin contrārotulātor, from *contrārotulāre (from which control). Doublet of comptroller. By surface analysis, control + -er.

In classic literature

Synonyms

accountant, comptroller

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