'Extremity' in the Bible

They are going down in the extremity of the city, and Samuel hath said unto Saul, 'Say to the young man that he pass on before us (and he passeth on), and thou, stand at this time, and I cause thee to hear the word of God.'

And Saul is abiding at the extremity of Gibeah, under the pomegranate which is in Migron, and the people who are with him, about six hundred men,