横
Meaningssidehorizontalwidthcross
How to remember
'Yoko' — 'Yoko' is lying on her SIDE. Imagine a TREE (木) that has fallen HORIZONTALLY, and it's covered in YELLOW (黄) leaves. Vocabulary
横断おうだん
crossing (e.g., a street) 横転おうてん
overturning (e.g., a vehicle)