noun Etymology: Middle English radelyng Date: 15th century any of the small transverse ropes attached to the shrouds of a ship so as to form the steps of a rope ladder
RATLINE
Meaning of RATLINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012