Как по Английски будет rigatura

noun

The arrangement of spiral grooves on the inside of a rifle barrel.

Примеры использования:

He could clearly see the rifling of the bore

noun

The arrangement of spiral grooves on the inside of a rifle barrel.

Примеры использования:

He could clearly see the rifling of the bore

verb

Make spiral grooves in (a gun or its barrel or bore) to make a bullet spin and thereby have greater accuracy over a long distance.

Примеры использования:

There are four basic ways to rifle a gun barrel