shift lock

American  

noun

1. a typewriter or computer key that locks the shift key in depressed position.

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Etymology

Origin of shift lock

First recorded in 1905–10

Example Sentences

Toyota USA said that because of possible damage to the shift lock solenoid installed in vehicles involved in the recall, the minivans could shift out of "park" and roll away without the driver depressing the brake pedal.

From Reuters

That meant including a "Shift Lock" or a "Caps Lock" for old time's sake.

From Slate

So typewriter manufacturers added a "Shift Lock" button that would keep the carriage elevated until the button was released.

From Slate

He wasn't the type. he back space, tabular, margin release, shift and shift lock worked perfectly.

From Project Gutenberg