first-footPronunciation: (fûrst'foot'), [key] Scot.
the first person to cross the threshold of a house on New Year's Day.
the first person met after starting out on the day of an important occasion.
to enter (a house) first on New Year's Day.
to be the first to enter a house on New Year's Day.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.