once a week
Colloquial adverb meaning 'once a week'. Often used in casual conversation or informal writing.
This club meets once a week.
It's okay to eat out about once a week, right?
Stylized spelling using katakana for イチ; often seen in casual or informal contexts.
Abbreviation of 週に一度 (しゅうにいちど, 'once a week'), with 一 (いち) replacing 一度.