noun
embroidered badge; cloth emblem
Specifically a badge or emblem sewn onto clothing, often used for uniforms, team logos, or decorative patches.
from German Wappen
制服の胸に学校のワッペンが縫い付けてある。
The school badge is sewn onto the chest of the uniform.
サッカーチームのワッペンを集めている。
I collect soccer team badges.
noun
illustrated sticker; decorative sticker
Refers to a sticker with a picture or design, not necessarily embroidered; often used for children's stickers or promotional items.
ノートにキャラクターのワッペンを貼った。
I stuck a character sticker on my notebook.