A line formed by troops or ships prepared to deliver or receive an attack.

Roget 69: continuity; consecution, consecutiveness etc. adj.; succession, round, suite, progression, series, train chain; catenation, concatenation; scale; gradation, course; ceaselessness, constant flow, unbroken extent.    procession, column; retinue, cortege, cavalcade, rank and file, line of battle, array.    pedigree, genealogy, lineage, race; ancestry, descent, family, house; line, line of ancestors; strain.    rank, file, line, row, range, tier, string, thread, team; suit; colonnade.    ... show more