Shaped like a rod; long and cylindrical. / (biology) Specifically, describing a form of bacterium.

plural of Aaron's rod

plural of rod cell

plural of connecting rod

plural of lightning rod

plural of rat rod

A style of hot rod or custom car that imitates or exaggerates the hot rods of the 1940s, 1950s, and 1960s. It is distinct from the "traditional" hot rod, which is an accurate re-creation or period-correct restoration of a hot rod from the same era.

Any of a set of coloured rods of different sizes used to teach elementary-school mathematics.

plural of Cuisenaire rod

plural of counting rod