gobo

A screen (often in disc form) placed between a light and an illuminated actor or object in order to diffuse the glare.

At the other extreme, with limitless budgets all they have to do is dream up amazing lighting rigs to be constructed and operated by the huge team of gaffers and sparks, with their generators, discharge lights, flags, gobos and brutes.

A device used to shield a microphone from extraneous sounds.

A template inserted over a light source to control the shape of the thrown light.

The taproot of young edible burdock plants (Arctium lappa), eaten as a root vegetable.

While oriental and specialty markets sell Gobo root to Japanese cooks, herbal medicine enthusiasts use common burdock.