What is another word for instrument or tool?

Here are some other words for instrument or tool, depending on the context:

General:

* Implement

* Device

* Appliance

* Utensil

* Implement

* Gear

* Apparatus

* Gadget

Specific to certain fields:

* Music: Musical instrument

* Science: Scientific instrument

* Surgery: Surgical instrument

* Measurement: Measuring tool

* Art: Artistic tool

Informal:

* Thingamajig

* Whatchamacallit

* Doohickey

The best word to use will depend on the specific situation and what you are trying to convey.