2.AdjectiveHaving dimension or dimensions; three-dimensional.
Appended to cardinal numbers or algebraic symbols to form adjectives meaning "having the stated number of dimensions".
3.AdjectiveAppended to cardinal numbers or algebraic symbols to form adjectives meaning "having the stated number of dimensions".
4.AdjectivePertaining to dimensional lumber: having a standardized, nominal width and depth, which may differ from the actual width and depth.