Answer: ratlins

AnswerCrossword Clue
RATLINSSmall ropes on ships
ratlinsRATLIN, one of the ropes forming the steps of a ladder on a ship, also RATLINE, RATLING, RATTLIN, RATTLINE
ratlinsthree-stranded, right-laid, tarred hemp stuff of from 6 to 24 threads, used for ratlines, lashings, etc.
ratlinsany of the small ropes or lines that traverse the shrouds horizontally and serve as steps for going aloft