SEMIANNUAL
Meaning of SEMIANNUAL in English
transcription, транскрипция: [ -ˈan-yə(-wə)l ]
adjective
Date: 1791
: occurring every six months or twice a year
• semi·an·nu·al·ly adverb
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003