calculator Meaning, Definition & Usage

  1. noun an expert at calculation (or at operating calculating machines)
    estimator; computer; figurer; reckoner.
  2. noun a small machine that is used for mathematical calculations
    calculating machine.

WordNet

Cal"cu*la*tor noun
Etymology
L.: cf. F. calculateur.
Definitions
  1. One who computes or reckons: one who estimates or considers the force and effect of causes, with a view to form a correct estimate of the effects.
    Ambition is no exact calculator. Burke.

Webster 1913