priors

/P R AY1 ER0 Z/
noun
  1. 1

    A high-ranking member of a monastery, usually lower in rank than an abbot.

  2. 2

    A chief magistrate in Italy.

  3. 3

    (law enforcement) A previous arrest or criminal conviction on someone's record.

  4. 4

    In Bayesian inference, a prior probability distribution, one based on information or belief before additional data is collected.

Synonyms

Source: https://en.wiktionary.org/wiki/prior, https://en.wiktionary.org/wiki/priors