- The definition of a gland is an organ or group of cells that releases substances or waste from the body.
An example of a gland is the thyroid.
gland definition by Webster's New World
- any organ or specialized group of cells that produces secretions, as insulin or bile, or excretions, as urine: some glands, as the liver and kidneys, have ducts that empty into an organ: the ductless (or endocrine) glands, as the thyroid and adrenals, secrete hormones
- loosely any similar structure that is not a true gland: lymph glands
- Bot. an organ or layer of cells that produces and secretes some substance
Origin: French glande ; from Old French glandre ; from Classical Latin glandula, tonsil, diminutive of glans (gen. glandis), acorn (; from Indo-European base an unverified form gwel-, oak, acorn from source Classical Greek balanos)
Origin: ; from uncertain or unknown; perhaps
gland definition by American Heritage Dictionary
- a. A cell, a group of cells, or an organ that produces a secretion for use elsewhere in the body or in a body cavity or for elimination from the body.b. Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function.
- Botany An organ or a structure that secretes a substance.
Origin: French glande, from Old French glandre, alteration of Latin glandula, diminutive of glāns, gland-, acorn.
Origin: Origin unknown.
gland - Medical Definition
- A cell, a group of cells, or an organ that produces a secretion for use in or for elimination from the body.
- Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function.
gland - Science Definition