Leucocyte
Pronunciation : Leu"co*cyte
Part of Speech : n.
Etymology : [Leuco- + Cr. (Physiol.)
Definition : Defn: A colorless corpuscle, as one of the white blood corpuscles, or those found in lymph, marrow of hone, connective tissue, etc.
Note: They all consist of more or less spherical masses of protoplasm, without any surrounding membrane or wall, and are capable of motion.
Source : Webster's Unabridged Dictionary, 1913