noun Date: 1803 a line led diagonally from the bow or stern of a ship to a point on a wharf and made fast to help keep the ship from moving fore and aft while docked
SPRING LINE
Meaning of SPRING LINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012