'Farm' in the Bible

So he went and hired himself to one of the inhabitants of that country, who sent him on to his farm to tend swine;

"Now his elder son was out on the farm; and when he returned and came near home, he heard music and dancing.

But which of you who has a servant ploughing, or tending sheep, will say to him when he comes in from the farm, 'Come at once and take your place at table,'