A lardon, also spelled lardoon, is a small strip or cube of fatty bacon, or pork fat, used in a wide variety of cuisines to flavor savory food and salads. In French cuisine, lardons are also used for larding, by threading them with a needle into meats that are to be braised or roasted.

What is a lardons in English?

The Oxford English Dictionary defines "lardon" as "one of the pieces of bacon or pork which are inserted in meat in the process of larding", giving primacy to that process.

What are lardons of bacon?

Lardon is just a fancy word for slab bacon sliced into matchsticks (there's some debate as to appropriate dimensions, but about ¼-inch thick, 1-inch long seems to be a sweet spot).