a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.;
the distance or interval between two points;
a unit of length based on the width of the expanded human hand (usually taken as 9 inches);
two items of the same kind;
the complete duration of something; "the job was finished in the span of an hour";
to cover or extend over an area or time period; "Rivers traverse the valley floor", "The parking lot spans 3 acres"; "The novel spans three centuries";
