Real Dictionary

spread
verb: If you spread something somewhere, you open it out or arrange it over a place or surface, so that all of it can be seen or used easily.

spread in American English
to draw out so as to display more fully; open or stretch out so as to cover more space; unfold or unfurl
transitive verb: to draw, stretch, or open out, esp. over a flat surface, as something rolled or folded

spread in British English
adjective: extended or stretched out, esp to the fullest extent
noun: the act or process of spreading; diffusion, dispersal, expansion, etc
verb: to extend or unfold or be extended or unfolded to the fullest width

spread in Finance
noun: The spread of a financial instrument is the difference between the selling price and the purchase price.