What does 友 mean?
友 is a Japanese noun meaning “friend, companion, pal” in English. It can also be translated as “accompaniment” depending on context. It is written as 友 in kanji, とも in hiragana, and tomo in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
まさかの時の友こそ真の友。
A friend in need is a friend indeed.