What does もしくは mean?
もしくは is a Japanese conjunction meaning “or (formal, in writing)” in English. It is written as もしくは in hiragana, and moshikuha in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
７０年もしくは８０年が人間の普通の寿命期間である。
Seventy or eighty years is the normal span of a man's life.