海

sea grapes (Caulerpa lentillifera)

sea otter (Enhydra lutris)

Organization name

Hainan University

(submarine) ridge

seafood; products of the sea; marine products; fruits of the sea

eared seal (esp. the California sea lion, Zalophus californianus); sea lion

deep ocean water; deep-sea water

foreign company; overseas enterprise; overseas firm

Idiomatic expression

to throw in a shrimp and pull out a whale; to use a sprat to catch a mackerel; to get big returns on a small investment

Geology

seamount; guyot

petty officer (navy)

Word usually written using kana alone

walrus (Odobenus rosmarus)

かいぞう only

elephant seal (Mirounga spp.)

marine biology

spongin

sea salt

sea ice

storm petrel (any bird of family Hydrobatidae)

seascape

bathing cap; swimcap

ocean investigation ship

ocean conditions; oceanic conditions

overseas (a foreign) market

offshore oil field

overseas territory; overseas possession