1 : beside one another in line columns of men five abreast with seats two abreast on each side of the aisle They drew abreast of [=alongside of] each other.

What does Abressed mean?

side by side; beside each other in a line: They walked two abreast down the street. equal to or alongside in progress, attainment, or awareness (usually followed by of or with): to keep abreast of scientific developments; keeping abreast with the times.

What's the meaning of keep abreast?

Stay or cause to stay up-to-date with, as in He's keeping abreast of the latest weather reports, or Please keep me abreast of any change in his condition. This term alludes to the nautical sense of abreast, which describes ships keeping up with each other. [ Late 1600s]