Quick Definition
a clot, large drop
Strong's Definition
a clot
Derivation: perhaps from G5142 (τρέφω) (in the sense of thickening);
KJV Usage: great drop
Thayer's Greek Lexicon
θρόμβος, θρομβου, ὁ (allied with τρέφω in the sense to thicken; Vanicek, p. 307), a large thick drop, especially of clotted blood (Aeschylus Eum. 184); with αἵματος added (Aeschylus choeph. 533, 546; Plato, Critias, p. 120a.), Luk_22:44 (L brackets WH reject the passage (see WH's Appendix at the passage)).
Mounce Concise Greek Dictionary
θρόμβος thrombos 1x
a lump; esp. a clot of blood, drop, Luk_22:44
Abbott-Smith Greek Lexicon
* θρόμβος , -ου , ὁ
( <τρέφω , in primary sense to thicken ),
a lump, a clot of blood ( DCG , ii, 685b): αἵματος , Luk_22:44 ( WH , R , mg . omit the passage, v. WH , App ., 64 ff .).†
Moulton & Milligan — Vocabulary of the Greek NT
θρόμβος [page 293]
Hobart (p. 82 f.) has shown that the expression θρόμβοι αἵματος , which is strongly supported by Western authority in Luk_22:44 , was very common in medical language.
Liddell-Scott — Intermediate Greek Lexicon
θρόμβος θρόμβος, ὁ, [Etym: τρέφω] "a lump, piece", Lat. grumus, as of asphalt, Hdt. : "a clot or gout" of blood, Aesch.
STEPBible — Tyndale Abridged Greek Lexicon
θρόμβος, -ου, ὁ
(τρέφω, in primary sense to thicken),
a lump, a clot of blood (DCG, ii, 685b): αἵματος, Luk.22:44 (WH, R, mg. omit the passage, see WH, App., 64 ff.).†
(AS)