Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
matrilinear is an adjective meaning "based on or tracing descent through the female line". It carries one recorded sense.
based on or tracing descent through the female line
“matrilineal inheritance”
Definitions, synonyms and semantic relations for matrilinear come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.