sprawl

Concise Oxford English Dictionary © 2008 Oxford University Press:
sprawl/sprɔːl/

▶verb

• 1 sit, lie, or fall with one's limbs spread out in an ungainly way.

• 2 spread out irregularly over a large area.

▶noun

• 1 a sprawling position or movement.

• 2 a sprawling group or mass.

  ■ the disorganized expansion of an urban or industrial area into the adjoining countryside.

– derivatives
sprawling noun & adjective,
sprawlingly adverb.

– origin OE spreawlian ‘move the limbs convulsively’.