Dictionary
write-in
Pronunciation: (rīt'in"), [key]—
n.
a candidate or vote for a candidate not listed on the printed ballot but written onto it by the voter:
Write-ins may swing the election.
—
adj.
of, pertaining to, or for such a candidate or vote or a ballot so marked:
a write-in campaign. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.