expression, noun

  1. one's bosom friend, kindred-spirit.

Variations

Pronunciation Kanji Kana Is Common
 
心の友 こころのとも

Contained Kanji Breakdown

heart, mind, spirit
こころ シン (2nd, N4)
friend
とも ユウ う (2nd, N5)
left hand, cliff(厂) variant
or again, furthermore, on the other hand
また ユウ やす (8th, N1)