noun
horizontal row; rank
Refers to a line of people or things arranged side by side. Often used in military contexts for a rank of soldiers, contrasting with 縦列 (じゅうれつ, 'column' or 'file').
See also: 縦列
兵士たちは横列に並んで行進した。
The soldiers marched in a horizontal rank.
横列に机を並べる。
Arrange the desks in a horizontal row.