Span v. t. [imp. & p. p. Spanned p. pr. & vb. n. Spanning.]
  1. To measure by the span of the hand with the fingers extended, or with the fingers encompassing the object; as, to span a space or distance; to span a cylinder.
     My right hand hath spanned the heavens.   --Isa. xiviii. 13.
  2. To reach from one side of to the order; to stretch over as an arch.
     The rivers were spanned by arches of solid masonry.   --prescott.
  3. To fetter, as a horse; to hobble.
  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, 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 or extend over an area or time period; "Rivers
           traverse the valley floor", "The parking lot spans 3
           acres"; "The novel spans three centuries" [syn: cross,
           traverse, sweep]
       [also: spanning, spanned]