Lexical Definition

‎θρόμβος‎ thrómbos (throm'-bos) drop ^G:N-M
perhaps from ‎τρέφω‎ (in the sense of thickening)

great drop.

• a clot

Abbott-Smith

* θρόμβος, -ου, ὁ (< τρέφω, in primary sense to thicken),
a lump, a clot of blood (DCG, ii, 685b): αἵματος, Lk 22:44 (WH, R, mg. omit the passage, v. WH, App., 64 ff.).†

Abbott-Smith References

Liddell-Scott-Jones

θρόμβος-ος, ὁ,

(τρέφω, τέτροφα) lump, [Refs 5th c.BC+]; clot of blood, [Refs 5th c.BC+]; of milk, curd, αἰγῶν ἀπόρρους θ. [Refs 4th c.BC+]; θρόμβοςοι ἁλῶν coarse salt, [Refs]

__b drop, θρόμβοςοι αἵματος καταβαίνοντες.. [NT]
__2 nipple, [Refs]
__II θ.· ὑψηλὸς τόπος, [Refs 5th c.AD+]

_{LSJ Scripture Refs: Luke.22.44}