power bar
/ˈpaʊə bɑː/noun
1 US. A type of tread on a tractor tyre, designed to give extra traction. Now rare.
2 North American (chiefly Canadian ). = power strip.
- A trademark in the United States..
3Originally US. A trademark for: a type of snack food in the form of a bar, intended to give energy and nutrition in a concentrated form.
Origin
1940s; earliest use found in The Nebraska State Journal. From power + bar.