wrapper
n.the piece of paper or plastic that covers something you buy, like a candy bar or a sandwich. You usually throw it away after you open the product.
n.a piece of paper, plastic, or foil used to cover or protect a commercial product. Refers specifically to the disposable outer layer rather than the permanent container.
“Please put your candy wrapper in the trash.”
“The child carefully peeled the silver wrapper off the chocolate bar before taking a large bite.”
“Environmental groups are pushing for biodegradable alternatives to the plastic wrappers that currently dominate the snack food industry and contribute significantly to ocean waste.”
Commonly used in the context of food packaging and retail goods.
From Middle English wrappere, equivalent to wrap + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.