盲 means “blind”

もう · mou

Also: blind man, ignoramus

Kun'yomi (Japanese reading)
めくら
On'yomi (Chinese reading)
モウ

JLPT N1 · Taught in secondary school · 8 strokes

The story

An eye (目) under 亡, lost: sight that is gone. 盲導犬 are guide dogs, 盲点 is a blind spot in the eye and in any plan, and 盲腸, the 'blind gut', is the everyday word for the appendix and appendicitis.

Used in 盲点 (mouten, blind spot), 盲導犬 (moudouken, guide dog), and 盲腸 (mouchou, appendix/appendicitis)

More from The Senses

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