interlock en · NOUN
Pronunciation
Etymology
Etymology tree Proto-Indo-European *h₁én Proto-Indo-European *-tér Proto-Indo-European *h₁n̥tér Proto-Italic *n̥ter Latin inter Latin inter-bor. English inter- Proto-Indo-European *lewg-der. Proto-Germanic *luką Proto-West Germanic *lok Old English loc Middle English lok English lock English interlock From inter- + lock.
Meanings
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A safety device that prevents activation in unsafe conditions.
The demonstrator couldn't figure out why the machine wouldn't work, until he remembered that there was an interlock so it wouldn't operate with the cover open.
Features such as trackless doors, mercury-type door interlocks, roof-mounted door fault indicator lights, rubber window glazing, improved retractable shoegear and a modified electro-pneumatic brake system designed to facilitate maintenance and improve reliability, which have proved their worth on the prototype trains, are continued in the new stock.
1960 February, “The first of London's new Piccadilly Line trains is delivered”, in Trains Illustrated, page 94:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| interlocks | Number=Plur | lexicographic |
Translations (5)
es traba (safety device) · cmn 互鎖 /互锁 (safety device) · nb forrigling (safety device) · es bloqueo (safety device) · de Verriegelung (safety device)