Definitions
1.nounA roughly spherical mass or body.
2.nounA ball of thread or yarn.
3.nounYarn or thread as used to guide one's way through a maze or labyrinth; a guide, a clue.
4.nounThe 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. (on a triangular sail) The trailing corner relative to the wind direction.
5.noun(in the plural) The sheets so attached to a sail.
6.noun(in the plural) The cords suspending a hammock.
7.verbTo roll into a ball
8.verb(transitive and intransitive) to raise the lower corner(s) of (a sail)
9.nounA strand of yarn etc. as used to guide one through a labyrinth; something which points the way, a guide.
10.nounInformation which may lead one to a certain point or conclusion.
11.nounAn object or a kind of indication which may be used as evidence.
12.nounInsight or understanding ("to have a clue [about]" or "to have clue". See have a clue, clue stick)