gland

1 [gland]
noun
1.
Anatomy.
a.
a cell, group of cells, or organ producing a secretion.
b.
any of various organs or structures resembling the shape but not the function of true glands.
2.
Botany. a secreting organ or structure.

Origin:
1685–95; < Latin gland- (stem of glāns acorn); compare Italian ghianda

glandless, adjective
glandlike, adjective
Dictionary.com Unabridged

gland

2 [gland]
noun Machinery.
1.
a sleeve within a stuffing box, fitted over a shaft or valve stem and tightened against compressible packing in such a way as to prevent leakage of fluid while allowing the shaft or stem to move; lantern ring.

Origin:
1830–40; origin uncertain

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To gland
Collins
World English Dictionary
gland1 (ɡlænd)
 
n
1.  exocrine gland See also endocrine gland a cell or organ in man and other animals that synthesizes chemical substances and secretes them for the body to use or eliminate, either through a duct (exocrine gland) or directly into the bloodstream (endocrine gland)
2.  a structure, such as a lymph node, that resembles a gland in form
3.  a cell or organ in plants that synthesizes and secretes a particular substance
 
Related: adenoid
 
[C17: from Latin glāns acorn]
 
'glandlike1
 
adj

gland2 (ɡlænd)
 
n
a device that prevents leakage of fluid along a rotating shaft or reciprocating rod passing through a boundary between areas of high and low pressure. It often consists of a flanged metal sleeve bedding into a stuffing box
 
[C19: of unknown origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

gland
1692, from L. glandula "gland of the throat, tonsil," dim. of glans (gen. glandis) "acorn," from PIE base *gwel- "acorn, oak" (cf. Gk. balanos, Armenian kalin, O.C.S. zelodi "acorn;" Lith. gile "oak").
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

gland (glānd)
n.

  1. A cell, a group of cells, or an organ that produces a secretion for use in or for elimination from the body.

  2. Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
gland  [%PREMIUM_LINK%]     (glānd)  Pronunciation Key 
An organ or group of specialized cells in the body that produces and secretes a specific substance, such as a hormone. See also endocrine gland, exocrine gland.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences for gland
This type of gland is found in the salivary glands and esophagus.
The yellow bill colors of many hornbills are produced by preen gland secretions.
This is not a true goiter, which is caused by the enlargement of the thyroid
  gland.
It also causes the thyroid gland to grow in size by increasing cell division.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature