噴 means “erupt, spout”

ふん · fun

Also: emit, flush out

Kun'yomi (Japanese reading)
ふく
On'yomi (Chinese reading)
フン

JLPT N1 · Taught in secondary school · 15 strokes

The story

A mouth (口) spewing out: 噴 is erupting. 噴火 is a volcanic eruption, like the ash Sakurajima sends over Kagoshima, 噴水 is a fountain in the park, and 噴き出す is bursting out, even into laughter.

Used in 噴火 (funka, eruption), 噴水 (funsui, fountain), and 噴き出す (fukidasu, to spurt out/burst out laughing)

More from Fire & Flood

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