Rebar is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry. Rebar may also refer to: Rebar (Taiwan), a company in Taiwan Rebar art and design studio, an art studio in San Francisco, United States ReBAR, an abbreviation for resizable BAR, which is a feature in the PCI configuration space Edward Rebar, American biologist Kelly Rebar (born 1956), Canadian playwright and screenwriter This disambiguation page lists articles associated with the title Rebar.If an internal link led you here, you may wish to change the link to point directly to the intended article.