When a group of people walk side by side.
it means walking side to side
There are certain social graces that apply when you are out in public or in the street. These social graces include walking no more than two abreast and letting others pass you from behind as you are walking.
abreast - side by side The parade had six drummers marching abreast.
draw abreast = gleichziehen
Being abreast means being side by side.
We have been abreast of this situation for a time now.
The brass band passed by, marching four abreast.
The origin of abreast is late Middle English: from A- 'in' + breast.
I have information here to keep you abreast of the situation, sir.
The president wants to stay abreast of the most recent developments in Libya. OR The protest marchers walked arm-in-arm, five abreast down the street.
Together
uniform