also: うみすな
sea sand; ocean sand; beach sand
Refers to sand from the sea or ocean, often used in contexts like construction, gardening, or describing beach sand.
This sea sand is used for concrete.
I collected sea sand at the beach.
Standard kanji spelling; 海 (sea) + 砂 (sand).
Alternate reading; less common than うみずな.
Compound of 海 (umi, 'sea') and 砂 (suna, 'sand'). The reading うみずな is a common rendaku form.