GRC
Bailly
ορος (ὁ) = lat. speculator, soldat chargé de la garde des prisonniers, NT. Marc. 6, 27.
Bailly 2020 Hugo Chávez Gérard Gréco, André Charbonnet, Mark De Wilde, Bernard Maréchal & contributeurs / Licence Creative Commons Attribution - Pas d'Utilisation Commerciale - Pas de Modification — « CC BY-NC-ND 4.0 »
LSJ
ορος, ὁ, = Lat. speculator, prop.
scout; but in the Roman Imperial army, one of the principales or head-quarters’ staff of a legionary commander or provincial governor (whose duties included the carrying out of executions), Ev. Marc. 6.27, POxy. 1193.1 (iv AD), etc. one of the Imperial body-guard (speculatores Augusti), = δορυφόρος, Suid.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
σπεκουλάτωρ, -ορος (Rec. -ωρος), ὁ (Lat. speculator),
__1. prop., a spy or scout.
__2. An executioner: Mrk.6:27 (see Swete, in l).†
(AS)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars