[ ri-tik-yuh-luhm ]
See synonyms for reticulum on
noun,plural re·tic·u·la [ri-tik-yuh-luh] /rɪˈtɪk yə lə/ for 1-3.
  1. a network; any reticulated system or structure.

  2. Anatomy.

    • a network of intercellular fibers in certain tissues.

    • a network of structures in the endoplasm or nucleus of certain cells.

  1. Zoology. the second stomach of ruminating animals, between the rumen and the omasum.

  2. genitive Re·tic·u·li [ri-tik-yuh-lahy]. /rɪˈtɪk yəˌlaɪ/. (initial capital letter)Astronomy. the Net, a southern constellation between Dorado and Hydrus.

Origin of reticulum

First recorded in 1650–60; from Latin rēticulum “little net”; see reticle

Words Nearby reticulum Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use reticulum in a sentence

  • It is even held that these fibres penetrate the cell walls and connect adjoining cells, so that the entire body is a reticulum.

British Dictionary definitions for reticulum (1 of 2)


/ (rɪˈtɪkjʊləm) /

nounplural -la (-lə)
  1. any fine network, esp one in the body composed of cells, fibres, etc

  2. the second compartment of the stomach of ruminants, situated between the rumen and psalterium

Origin of reticulum

C17: from Latin: little net, from rēte net

British Dictionary definitions for Reticulum (2 of 2)


/ (rɪˈtɪkjʊləm) /

nounLatin genitive Reticuli (rɪˈtɪkjʊˌlaɪ)
  1. a small constellation in the S hemisphere lying between Dorado and Hydrus

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

Scientific definitions for reticulum


[ rĭ-tĭkyə-ləm ]

Plural reticula
  1. The second division of the stomach in ruminant animals, which together with the rumen contains microorganisms that digest fiber. The reticulum's contents are regurgitated for further chewing as part of the cud. See more at ruminant.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.