noun

1. a unit of linear measure equal to nine inches, based on the distance between the tips of the extended thumb and little finger
2. 1. the full amount or extent between any two limits
   2. the distance between ends or supports the span of an arch
   3. the full duration (of) span of attention, the span of a person's life
3. a part between two supports a bridge of four spans
4. wingspan
5. ☆

   Etymology: borrowed in U.S. < Du span, in same sense

   a team of two animals used together

Etymology: ME spanne < OE sponn, akin to Ger spanne < IE *(s)pen(d)-, to pull, draw (> spin, Gr span, to pull) < base *spe-, to pull, extend

transitive verb spanned, spanning span′·ning

1. to measure, esp. by the hand with the thumb and little finger extended
2. to encircle with the hand or hands, in or as in measuring
3. to extend, stretch, reach, or pass over or across the bridge that spans the river
4. to furnish with something that extends or stretches over to span an aisle with an arch

Etymology: ME spannen < OE spannan, join: see span