What is the meaning of Nostrum?

A medicine or remedy in conventional use which has not been proven to have any desirable medical effects.

An ineffective but favorite remedy for a problem, usually involving political action.

of us; partitive genitive of nōs

inflection of noster:

  1. nominative/accusative/vocative neuter singular
  2. accusative masculine singular

nominative/accusative/vocative neuter singular

accusative masculine singular

Source: wiktionary.org