The term 'REBAR' is a 5-letter solution to the crossword clue 'Rod that reinforces'. Rebar, short for reinforcing bar, is a steel bar or mesh of steel wires used in reinforced concrete and masonry structures to strengthen and hold the concrete in tension. It is also used in roads and other civil engineering projects. Rebar is available in a variety of sizes and grades, and is often used in conjunction with concrete and masonry components to increase their strength and durability.