Crossword Clue:

A rope run through a block

AnswerCrossword Clue
REEVEPass a rope through a block: Naut.
REEVEPass a rope through (a block, pulley, etc.).
REEVEPass rope through a block.
REEVERun a rope through
REEVERun rope through tackle.
UNREEVESWithdraws (a rope) from a block: Naut.