leucocyte Meaning, Definition & Usage

  1. noun blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
    white blood corpuscle; leukocyte; white blood cell; white cell; WBC; white corpuscle.

WordNet

Leu"co*cyte noun
Etymology
Leuco- + Cr. a hollow vessel.
Definitions
  1. (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