An aerial work platform.

An item of hand-held electronic equipment, especially a smartphone or tablet computer.

(historical) A time bomb.

A hypothetical weapon (often a bomb) programmed to automatically be used in response to certain attacks, usually with very dire consequences (such as the annihilation of the world).

plural of spring-loaded camming device

(transitive, idiomatic) to leave alone, unsupervised, without assistance.

plural of erasable programmable logic device

(fishing) A device that allows a captured sea turtle to escape when caught in a fishing net.

A life vest or other device or article of clothing designed to be used by one person as an aid to remaining safely afloat in water, especially in a emergency situation.

A specialized immobilization backboard device used to protect the spinal cord in patients that are found in a confined or seated position such as a car in auto extrications.