An onomatopoeic term describing things or people lined up in a long row; often used as 'ずらりと並ぶ'.
店の前に新商品の靴がずらりと並んでいた。
New shoes were lined up in a row in front of the shop.
会場の入り口にスタッフがずらりと立っていた。
Staff were standing in a long line at the venue entrance.
棚に本がずらりと並んでいて、圧巻だった。
Books were lined up on the shelf in a row — it was impressive.