Meaning of endocrine gland

en'docrine gland"

Pronunciation: [key]
  1. any of various glands, as the thyroid, adrenal, and pituitary glands, that secrete certain substances or hormones directly into the blood or lymph; ductless gland.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.