Definition of power bar in English:

power bar

noun

  • 1US. A type of tread on a tractor tyre, designed to give extra traction. Now rare.

  • 2North 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.

Pronunciation

power bar

/ˈpaʊə bɑː/