A staple is an essential or fundamental thing, often necessary for everyday life. You might think of food staples like rice or bread.
You'll commonly hear "staple" used to talk about something that's very important or needed constantly. For example, someone might say, "Toilet paper is a household staple." This means it's something you need at home all the time. When people discuss fashion, they might refer to jeans as a wardrobe staple. That means jeans are an essential item in many people's closets because they're comfortable and versatile.
A town containing merchants who have exclusive right, under royal authority, to purchase or produce certain goods for export; also, the body of such merchants seen as a group.
To sort according to its staple.
Example: to staple cotton
Relating to, or being market of staple for, commodities.
Example: a staple town
