Online English Dictionary

1. the complete duration of something; "the job was finished in the span of an hour"

2. the distance or interval between two points

3. two items of the same kind

4. a unit of length based on the width of the expanded human hand (usually taken as 9 inches)

5. a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.

6. the act of sitting or standing astride

1. 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"

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