In front of; preceding in space; ahead of; as, to stand before the fire; before the house.
source: Webster 1913
adverb
earlier in time; previously
I had known her before. As I said before. He called me the day before but your call had come even earlier. Her parents had died four years earlier. I mentioned that problem earlier.
source: WordNet 3.0
at or in the front
I see the lights of a town ahead. The road ahead is foggy. Staring straight ahead. We couldn't see over the heads of the people in front. With the cross of Jesus marching on before.
source: WordNet 3.0
On the fore part; in front, or in the direction of the front; -- opposed to in the rear.