thrombus noun. ['Ɵrɒmbǝs] Pl. -bi [-bʌɪ]. L17.
[mod. Latin from Greek thrombos lump, piece, clot of blood, curd of milk.]
Medicine.
1. gen. A small swelling caused by the coagulation of a body fluid, esp. blood. L17-E18.

2. spec. A clot which forms on the wall of a blood-vessel or a chamber of the heart, esp. so as to impede or obstruct the flow of blood. M19.

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