Words: intercessio
Part of speech: n
Definition: the right of veto possessed by Roman magistrates.
Example: The intercessio was thus a supervision, exercised by closely-related magistrates, who were theoretically irresponsible during their year of office over one another's functions, for the prevention of illegal or inequitable actions; and on the part of the tribune a general supervision over all other magistracies in the interests, originally of the plebs, later of the whole community.