Definition Of across
from one side to the other of (something).
Example Of across
A conventional bomb could then be used to spread radioactive particles across a densely populated area.
A high resolution camera will also sweep the surface, resolving details as small as two metres across .
A lot of glass flew across the classroom and some of the children were quite alarmed.
Attacks on buses are being logged, and police are involved in operations across the area aimed at clamping down on the thugs.