Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
reticular is an adjective meaning "resembling or forming a network". It carries one recorded sense.
resembling or forming a network
“the reticulate veins of a leaf”
“a reticulated highway system”
Definitions, synonyms and semantic relations for reticular come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.