This kanji means sea or ocean. The Japanese form differs from the Chinese:


on readings:
  • kai
kun readings:
  • umi
examples:
kaigai overseas
kaigun navy
kaihin seashore, beach
kaiin seaman
綿 kaimen a sponge
kainan shipwreck
kaiōsei Neptune
kairyū ocean current
kaisuiyoku ocean bathing
kaisuiyokujō (swimming) beach
kaitei bottom of the sea, ocean floor
kōkai sea voyage, navigation
nori dried edible seaweed
senkai shallow sea
umibe beach, seashore
uminari rumbling/noise of the sea

links:
Nori
Wiktionary

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Last ∆ on 5 Febuary 2026 by Bradley James Wogsland.