malva nut; Scaphium affine
Refers to the malva nut tree or its seed, used in traditional medicine and cuisine. The cross-reference to 莫大 (sense 2) suggests a possible etymological or orthographic connection.
See also: 莫大
The malva nut is a plant commonly found in Southeast Asia.
Standard kanji spelling for this plant name.
Katakana spelling, common for plant names in botanical contexts.
The name 莫大海 is likely a direct borrowing from Chinese, where it refers to the malva nut. The exact derivation is uncertain, but the kanji 莫 (vast) and 大海 (great sea) may be descriptive or phonetic.