Yarn or thread as used to guide one's way through a maze or labyrinth; a guide, a clue.

(nautical) The lower corner(s) of a sail to which a sheet is attached for trimming the sail (adjusting its position relative to the wind); the metal loop or cringle in the corner of the sail, to which the sheet is attached. The trailing corner relative to the wind direction.

(in the plural) The sheets so attached to a sail.

(nautical, in the plural) The cords suspending a hammock.

Obsolete spelling of clue

(transitive) to roll into a ball

(nautical) (transitive and intransitive) to raise the lower corner(s) of (a sail)