Nunas baos means 'to ask for an oracle' or 'to ask for guidance' from spirits, ancestral spirits or gods for problems that cannot be solved by ordinary means.
Nunas baos maartos ‘nunas sabda’ utawi ‘nunas pituduh’ saking roh-roh alus, roh leluhur utawi batara ngeninin indik pikobet sane tan prasida kapuputang antuk cara kadi biasa.