From one side to the other. / On the other side. / In a particular direction. / (crosswords) Horizontally.

To, toward, or from the far side of (something that lies between two points of interest). / On the opposite side of (something that lies between two points of interest).

(crosswords, often in combination) A word that runs horizontally in the completed puzzle grid or its associated clue.

plural of across

To cross by running. / (idiomatic) To find or discover by chance; to come across.

to explain or state something clearly and understandably. / to convey or communicate.

(informal) On or to the other side of the Atlantic Ocean.

simple past tense of come across

present participle of come across

(physics) A variable whose value is determined by measuring a difference of the values at two extreme points of an element; thus voltage is a difference in two levels of potential.