ref·er·en·dum 
(r

f


-r

n

d

m)
KEY NOUN: pl. ref·er·en·dums or
ref·er·en·da (-d

)
KEY
- The submission of a proposed public measure or actual statute to a direct popular vote.
- Such a vote.
- A note from a diplomat to the diplomat's government requesting instructions.
ETYMOLOGY:Latin, neuter gerundive of
referre,
to refer ; see
refer