Also vein·u·let [veyn-yuh-lit] /ˈveɪn yə lɪt/.

Origin of veinule


  1. a small vein.
  2. one of the branches of a vein in the wing of an insect.
Also veinule, veinulet.

Origin of venule

First recorded in 1840–50, venule is from the Latin word vēnula little vein. See vein, -ule
Related formsven·u·lar, adjectivein·ter·ven·u·lar, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for veinulet


  1. a less common spelling of venule


  1. anatomy any of the small branches of a vein that receives oxygen-depleted blood from the capillaries and returns it to the heart via the venous system
  2. any of the branches of a vein in an insect's wing
Derived Formsvenular (ˈvɛnjʊlə), adjective

Word Origin for venule

C19: from Latin vēnula diminutive of vēna vein
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

Word Origin and History for veinulet



1850, from Latin venula, diminutive of vena "vein" (see vein).

Online Etymology Dictionary, © 2010 Douglas Harper

veinulet in Medicine


[vĕnyōōl, vēn-]
  1. A small vein, especially one joining capillaries to larger veins.capillary vein
Related formsvenu•lar (-yə-lər) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

veinulet in Science


  1. Any of the smaller veins that connect the capillaries to larger veins.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.