Japanese Kanji
圦iri
sluice · spout · floodgate
Extended kanji · 5 strokes
Sluice, spout, floodgate, penstock, (kokuji).
圦 is a Extended kanji — used in Japanese personal names and specialised writing. With 5 strokes, it appears in classical literature, place names, and formal documents.
Start with hiragana and katakana — the foundation of Japanese reading.