WordNet (r) 3.0 (2006):

mandala
    n 1: any of various geometric designs (usually circular)
         symbolizing the universe; used chiefly in Hinduism and
         Buddhism as an aid to meditation

The Free On-line Dictionary of Computing (30 December 2018):

Mandala

    A system based on Concurrent Prolog, developed at
   ICOT, Japan.

   ["Mandala: A Logic Based Knowledge Programming System",
   K. Furukawa et al, Intl Conf 5th Gen Comp Sys 1984].

   (1995-11-23)