1 overDictionary, on the other or far side of, pastAnyone from the houses across the road could see him.
2 throughoutDictionary, over, all overThe film opens across America in December.
from side to sideDictionary, athwart, transverselyTrim toenails straight across using nail clippers.
from side to side
crossways or crosswise
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
Video: pronunciation of 'across'
across 的词库—— 柯林斯 英语词库
If someone or something goes across a place or a boundary, they go from one side of it to the other.