span

Noun

• the act of sitting or standing astride

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

• 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 distance or interval between two points

• the complete duration of something
  • the job was finished in the span of an hour
    

Verb

• 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
    

Related words

• Synonyms: 
  straddle , bridge , cross , traverse , sweep