lachesis

/L AE1 CH AH0 S IH0 S/
noun
  1. 1

    (Greek mythology) One of the three Fates (Moirae), daughter of Zeus and Themis; the measurer of each thread of life. Her Roman equivalent is Decima.

  2. 2

    (homeopathy) The venom of Lachesis muta, the bushmaster snake, used to treat various conditions.