Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
reticulum is a noun meaning "a small constellation in the southern hemisphere near Dorado and Hydrus". It carries 3 recorded senses.
a small constellation in the southern hemisphere near Dorado and Hydrus
any fine network (especially one in the body composed of cells or blood vessels)
the second compartment of the stomach of a ruminant
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for reticulum come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.