横 means “side, sideways, across”

よこ · yoko

Also: horizontal, width

Kun'yomi (Japanese reading)
よこ
On'yomi (Chinese reading)
オウ

JLPT N3 · Taught in grade 3 · 15 strokes

The story

Wood (木) and yellow (黄): picture the yellow-and-black bar at a railway crossing, lying sideways across the road. 横 is side and across: 横断歩道 is a crosswalk, and 横 on its own means right beside you.

Used in 横断歩道 (oudanhodou, pedestrian crossing), 横顔 (yokogao, profile), and 横浜 (yokohama, Yokohama)

More from Ties & Differences

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.