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gland1

[gland] /glænd/
noun
1.
Anatomy.
  1. a cell, group of cells, or organ producing a secretion.
  2. any of various organs or structures resembling the shape but not the function of true glands.
2.
Botany. a secreting organ or structure.
Origin
1685-1695
1685-95; < Latin gland- (stem of glāns acorn); compare Italian ghianda
Related forms
glandless, adjective
glandlike, adjective

gland2

[gland] /glænd/
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.
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Examples from the web 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.
  • Near its base, the twiggy petiole bares a small, raised, oval gland.
  • Aging skin also receives less blood flow and lower gland activity.
  • It also causes gradual enlargement of the thyroid gland, referred to as a goitre.
  • Both the hypothalamus and the pituitary gland are in the brain.
British Dictionary definitions for gland

gland1

/ɡlænd/
noun
1.
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) See also exocrine gland, 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
adjective adenoid
Derived Forms
glandlike, adjective
Word Origin
C17: from Latin glāns acorn

gland2

/ɡlænd/
noun
1.
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
Word Origin
C19: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for gland
n.

1690s, from French glande (Old French glandre, 13c.), from Latin glandula "gland of the throat, tonsil," diminutive of glans (genitive glandis) "acorn, nut; acorn-shaped ball," from PIE root *gwele- "acorn" (cf. Greek balanos, Armenian kalin, Old Church Slavonic zelodi "acorn;" Lithuanian gile "oak"). Earlier English form was glandula (c.1400).

Online Etymology Dictionary, © 2010 Douglas Harper
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gland in Medicine

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.
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gland in Science
gland
  (glānd)   
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.
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