Lexical Definition

‎βάρος‎ báros (bar'-os) burden ^G:N-N
probably from the same as ‎βάσις‎ (through the notion of going down

burden(-some), weight.

• compare ‎βάθος‎)
• weight
• in the New Testament only, figuratively, a load, abundance, authority

Abbott-Smith

βάρος, -εος, τό, [in LXX: Jg 18:21 (כּבד), Jth 7:4, Si 13:2, II Mac 9:10, III Mac 5:47*;]
weight;
(a) a weight, burden, lit. and metaph.: Mt 20:12, Ac 15:28, II Co 4:17, Re 2:24; ἀλλήλων τὰ β., one another's faults, Ga 6:2; ἐν β., burdensome: I Th 2:6, R, txt., but v. infr.;
(b) in late Gk. (Soph., Lex., s.v.), dignity, authority: ἐν βάρει, I Th 2:6 (R, mg.; v. Milligan, ICG, in l.).†
SYN.: ὄγκος, an encumbrance; φορτίον, a burden, that which is borne.

Abbott-Smith References

Liddell-Scott-Jones

βάρος [ᾰ], ους,

Ionic dialect εος, τό, weight, [Refs 5th c.BC+]

__II a weight, burden, load, τέκνων [Refs 5th c.BC+]weights, [Refs 4th c.BC+]
__III oppressiveness, τὸ τῆς ὀσμῆς ἀφόρητον β. [LXX]; βάρος φέρειν to give trouble, τινί [Refs 2nd c.AD+]
__IV heaviness, torpor, β. ναρκῶδες [Refs 5th c.BC+]; βάρη καὶ δυσαρεστήματα perhaps feeling of oppression, [Refs 2nd c.AD+]
__V metaphorically, heavy weight, σιγῆς β. [Refs 5th c.BC+]; βάρος πημονῆς, συμφορᾶς, [Refs 5th c.BC+]; ὥσπερ βάρους μεταλαμβάνειν Arist [Refs 1st c.AD+]: hence alone, grief, misery, [Refs 5th c.BC+]; of oppressive demands, β. τῶν ἐπιταγμάτων, τῶν φόρων, [Refs 2nd c.BC+]; οὐκέτι δυνάμεθα φέρειν τὰ β. [Refs 3rd c.AD+]; κουφίσαι τὰ β. [Refs 2nd c.AD+]
__VI in good sense, abundance, πλούτου, ὄλβου, [NT+5th c.BC+]; strength, στρατοπέδων [Refs 2nd c.BC+]; β. τῆς ὑλακῆς violence of.., [Refs 4th c.AD+]
__VII weight, influence, [Refs 2nd c.BC+]; gravity, dignity of character, [Refs]; opposed to χάρις, [Refs]
__VIII Grammars, stress of accent, [Refs 2nd c.AD+]
__IX in Music, ={βαρύτης}, low pitch, [Refs 3rd c.AD+]

_{LSJ Scripture Refs: 2Cor.4.17}