Definition from Wiktionary, the free dictionary
|Kanji in this term|
/getueubi/ > /getuyoːbi/.
- IPA: /ɡetsujoː/
- (Esoteric cosmology) a day associated with the moon
- the second day of the week; the day between Sunday and Tuesday; Monday
- abbreviation for getsuyōbi (“Monday”); Mon.
- 月曜日 (getsuyōbi)
See also 
- 七曜 (shichiyō)