TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

GRAND MASTER KEY [1 record]

Record 1 1999-10-28

English

Subject field(s)
  • Security Devices
  • Building Hardware
DEF

A key that operates a large number of keyed-different or keyed-alike locks. Each lock is usually provided with its own change key. The locks are divided into two or more groups, each operated by a different master key. Each group can be operated by a master key only, or by the grand only, or by a master and the grand.

DEF

A key which operates the locks of more than one suite.

DEF

A master key designed to fit a number of different master-keyed systems of locks.

OBS

Suite: A set of locks, all of which differ but can be operated by one master key.

French

Domaine(s)
  • Dispositifs de sécurité
  • Quincaillerie du bâtiment
DEF

clef pouvant ouvrir une partie seulement des serrures parmi celles ouvertes par un même passe général.

CONT

Selon qu'elle permet d'ouvrir une seule serrure ou un groupe plus ou moins important de serrures différentes, on distingue la clef individuelle, la clef maîtresse (ou passe général) et la clef de groupe (ou passe partiel).

OBS

Passe-partout est un terme invariable.

Spanish

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