noun, plural re·tic·u·la [ri-tik-yuh-luh] /rɪˈtɪk yə lə/ for 1–3, genitive re·tic·u·li [ri-tik-yuh-lahy] /rɪˈtɪk yəˌlaɪ/ for 4.
- a network; any reticulated system or structure.
- a network of intercellular fibers in certain tissues.
- a network of structures in the endoplasm or nucleus of certain cells.
- Zoology. the second stomach of ruminating animals, between the rumen and the omasum.
- (initial capital letter) Astronomy. the Net, a southern constellation between Dorado and Hydrus.
noun Latin genitive Reticuli (rɪˈtɪkjʊˌlaɪ)
- a small constellation in the S hemisphere lying between Dorado and Hydrus
noun plural -la (-lə)
- any fine network, esp one in the body composed of cells, fibres, etc
- the second compartment of the stomach of ruminants, situated between the rumen and psalterium
1650s, “second stomach of a ruminant” (so called from the folds of the membrane), from Latin reticulum “a little net” (see reticulate (adj.)). The word was later given various uses in biology, cytology, histology, etc., and made a southern constellation by La Caille (1763).
n. pl. re•tic•u•la (-lə)
- A fine network formed by cells, by certain structures within cells, or by connective-tissue fibers between cells.
- The second compartment of the stomach of ruminant mammals, lined with a membrane having honeycombed ridges.
- 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.