n.
Pronunciation: ˌ me-g ə - ' ka-r ē - ō - ˌ s ī t
Function: noun
Date: 1890
: a large cell that has a lobulated nucleus, is found especially in the bone marrow, and is the source of blood platelets
– mega · kar · yo · cyt · ic \ - ˌ ka-r ē - ō - ' si-tik \ adjective