Lexical Definition

‎δεξιός‎ dexiós (dex-ee-os') right ^G:A
from ‎δέχομαι‎

right (hand, side).

• the right side or (feminine) hand (as that which usually takes)

Abbott-Smith

δεξιός, -ά, -όν [in LXX chiefly for יָמִין ;]
the right: Mt 5:29, Jo 18:10, al.; ὅπλα δ., weapons carried in the right hand, i.e. for offence, II Co 6:7 ; ἡ δ. χείρ, Mt 5:30, Lk 6:6, al.; ἡ δ. (sc. χείρ), Mt 6:3, al.; ἐπὶ τὴν δ., in the right hand (R, txt., on R, mg.), Re 5:1; διδόναι τὴν δ., in friend­ship (Deiss., BS, 251), Ga 2:9; metaph. of power, τῇ δ. αὐτοῦ, Ac 2:33 5:31; τὰ δ., the right side, Mk 16:5; ἐκ δεξιῶν, on the right hand, c. gen., Mt 25:33, 34, Mk 15:27, Lk 1:11, al.; of a place of honour in the Messianic Kingdom (cf. III Ki 2:19, Ps 44(45):10*), καθίσαι ἐκ δεξιῶν, Mt 20:21, Mk 10:37; of the heavenly session of Christ, Mt 26:64, Mk 14:62, He 1:13 (Cremer, 172)

Abbott-Smith References

Liddell-Scott-Jones

δεξιός, ά, όν,

on the right hand or side, opposed to ἀριστερός, δ. μαζός, γλουτός, ὦμος, [Refs 8th c.BC+]; τὸ δ. (i.e. κέρας) the right of an army, [Refs 5th c.BC+] on or to the right, νωμῆσαι βῶν [Refs 8th c.BC+]; ἐπὶ δεξιόφιν (Epic dialect genitive) towards the right, [NT+8th c.BC+]; δεξιά as adverb, [Refs 2nd c.BC+]

__II fortunate, especially of the flight of birds and other omens, δ. ὄρνις [Refs 8th c.BC+]. adverb -ῶς[Refs 2nd c.AD+]
__III Astron., northerly, [Refs 2nd c.AD+]
__IV metaphorically, dexterous, ready, skilful, clever, [Refs 5th c.BC+]a clever thing, [Refs 5th c.BC+]. adverb -ιῶς[Refs 4th c.BC+]in the right spirit, [Refs 1st c.BC+] O.: superlative δεξιώτατα [Refs 5th c.BC+]
__V courteous, kindly, [Refs 2nd c.AD+] adverb -ιῶς[Refs]. (Cf. Sanskrit dák[snull]iṇas, Latin dexter, etc.)

_{LSJ Scripture Refs: Mark.16.5 ☩ Matt.20.21}