Within as it were an half acre ... - The Hebrew text is extremely obscure. Hence, there is some probability that the true reading is preserved by the Septuagint which translates the clause “with darts and stones and flints of the field.” Others take the words to mean: “in about half the time that a yoke of oxen draw a furrow in the field.”
Related Commentaries of 1 Samuel 14:14
1 Samuel 14:14
14 And that first slaughter, which Jonathan and his armourbearerd made, was about twenty men, within as it were an half acre of land, which a yoke of oxen might plow.