clew
1. clew or clue \'klu:\ n [ME clewe, fr. OE cliewen; akin to OHG kliuwa ball, Skt gl]au lump 1: a ball of thread, yarn, or cord usu clue 2: something that guides through an intricate procedure or maze of difficul ties; specif : a piece of evidence tending to lead one toward the solution of a problem 3a: a metal loop attached to the lower corner of a sail pl 3b: a combination of lines by which a hammock is suspended 2. clew or clue vt or clewed or clued; or clew.ing; or clue.ing; or clu.ing 1: to roll into a ball usu clue 2: to provide with a clue 3: to haul (a sail) up or down by ropes through the clews
Webster's English Dictionary