"a centurion," denotes a military officer commanding from 50 to 100 men, according to the size of the legion of which it was a part (hekaton, "a hundred," archo, "to rule"), e.g., Matthew 8:5,8 .
has the same meaning as No. 1, e.g., Acts 10:1,22 . The Sept. has this word frequently, to denote "captains of hundreds."
is a Greek transliteration of the Latin centurio, signifying practically the same as No. 1, Mark 15:39,44,45 . There were ten "centurions" to a cohort when the numbers were complete. There were several at Jerusalem under the chief captain mentioned in Acts 21:31 .