Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
semestral is an adjective meaning "occurring every six months or during every period of six months". It carries one recorded sense.
occurring every six months or during every period of six months
Definitions, synonyms and semantic relations for semestral come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.