貼 means “stick, paste”

はる · haru

Also: apply

Kun'yomi (Japanese reading)
はる, つく
On'yomi (Chinese reading)
テン, チョウ

JLPT N1 · Taught in secondary school · 12 strokes

The story

A shell (貝) claiming its spot (占, as in 占める, to occupy): picture a stamp pressed onto an envelope. 貼る is to stick on, like a poster or a bandage, and 貼るカイロ, stick-on heat packs, get Japan's commuters through winter.

Used in 貼る (haru, to stick/paste), 貼り紙 (harigami, posted notice), and 貼り付け (haritsuke, pasting)

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