across across /əˈkrɒs/

adverb

1. () To the opposite side  ( across )
   to the opposite side
    The football field was 300 feet across
   the football field was 300 feet across
   
2. () Transversely  ( crossways , crosswise , across )
   transversely
    The marble slabs were cut across
   the marble slabs were cut across
   

preposition

1. () Everywhere within a certain area or space.  ( across , all over , around , over , round , throughout , all around )
   Everywhere within a certain area or space.
   
2. () Positioned on the opposite side or end.  ( across )
   Positioned on the opposite side or end.