TRIMONTHLY
Meaning of TRIMONTHLY in English
transcription, транскрипция: [ (ˌ)trī-ˈmən(t)th-lē ]
adjective
Date: 1856
: occurring every three months
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003