τετράδιον

English (LSJ)

τό, a

   A guard of soldiers (normally consisting of four men), Ph.2.533, Act.Ap.12.4.    II quaternion of parchment, POxy.2156.10 (iv/v A.D.), Tz.H.9.290; cf. τετράδειον.

French (Bailly abrégé)

οῦ (τό) :
nombre de quatre, réunion de quatre personnes ou de quatre choses ; spécial. escouade.
Étymologie: τετράς.

English (Strong)

neuter of a presumed derivative of tetras (a tetrad; from τέσσαρες); a quaternion or squad (picket) of four Roman soldiers: quaternion.

English (Thayer)

τετραδιου, τό (τετράς, the number four), a quarternion (τό ἐκ τεσσάρων συνεστος, Suidas): τῶν στρατιωτῶν, a guard consisting of four soldiers (for among the Romans this was the usual number of the guard to which the custody of captives and prisons was intrusted; two soldiers were confined with the prisoner and two kept guard outside), Philo in Flacc. § 13i. e. Mang. edition vol. ii, p. 533,25.)

Russian (Dvoretsky)

τετράδιον: τό четверка (солдат) NT.