Definition (full): to put in beside or between, interpose
Strong's Exhaustive Concordance
From a compound of para and emballo; a throwing in beside (juxtaposition), i.e. (specially), battle-array, encampment or barracks (tower Antonia) -- army, camp, castle.
KJV: And some cried one thing, some another, among the multitude: and when he could not know the certainty for the tumult, he commanded him to be carried into the castle.
NASB: But among the crowd some were shouting one thing and some another, and when he could not find out the facts because of the uproar, he ordered him to be brought into the barracks.
KJV: The chief captain commanded him to be brought into the castle, and bade that he should be examined by scourging; that he might know wherefore they cried so against him.
NASB: the commander ordered him to be brought into the barracks, stating that he should be examined by scourging so that he might find out the reason why they were shouting against him that way.
KJV: And when there arose a great dissension, the chief captain, fearing lest Paul should have been pulled in pieces of them, commanded the soldiers to go down, and to take him by force from among them, and to bring him into the castle.
NASB: And as a great dissension was developing, the commander was afraid Paul would be torn to pieces by them and ordered the troops to go down and take him away from them by force, and bring him into the barracks.