span (
http://definr.com/span)
n 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 [syn:
couple,
doubleton,
pair,
twosome,
twain,
brace,
yoke,
couplet,
distich,
duo,
duet,
dyad,
duad]
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. [syn:
bridge]
6: the act of sitting or standing astride [syn:
straddle]
v : to cover a wide area; "Rivers traverse the valley floor",
"The parking lot spans 3 acres" [syn:
cross,
traverse,
sweep]