noun
plural spans
[count] the period of time between two dates or events
the part of a bridge or other structure that goes across a space from one support to another
the width of something from one side to the other - often + of
verb
spans; spanned; spanning
[+ obj] to continue throughout (a period of time)
to cover or include (a wide area, a large number of things, etc.)
to cross over (something)