Leu"co*cyte (?), n. [Leuco- + Cr. a hollow vessel.] Physiol.
A colorless corpuscle, as one of the white blood corpuscles, or those found in lymph, marrow of hone, connective tissue, etc.
⇒ They all consist of more or less spherical masses of protoplasm, without any surrounding membrane or wall, and are capable of motion.
© Webster 1913.