'Length' in the Bible

And that first slaughter, which Jonathan and his armorbearer made, was about twenty men, within as it were half a furrow's length in an acre of land.

The length of time that David lived in the Philistine countryside was a year and four months.

And Saul fell straightway his full length on the earth, and was sore afraid because of the words of Samuel; and there was no strength in him, for he had eaten no bread all the day nor all the night.