width

n. breadth, thickness

Length is the long dimension of any object. The length of a thing is the distance between its ends, its linear extent as measured from end to end. This may be distinguished from height, which is vertical extent, and width or breadth, which are the distance from side to side, measuring across the object at right angles to the length. In the physical sciences and engineering, the word "length" is typically used synonymously with "distance", with symbol or .
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(n.)
The quality of being wide; extent from side to side; breadth; wideness; as, the width of cloth; the width of a door.
  

Noun
1. the extent of something from side to side
(synonym) breadth
(hypernym) dimension
(hyponym) wideness, broadness
(attribute) wide, broad