large island
Used mainly in place names; not a common standalone noun for a generic large island.
The place name Oshima is found in various parts of Japan.
Oshima tsumugi (abbreviation)
Abbreviation of 大島紬, a traditional silk fabric from Amami Oshima. Used in contexts where the full term is understood.
See also: 大島紬
This kimono is made of Oshima tsumugi.
Oshima cherry; Prunus speciosa
Standard kanji spelling for both the geographical term and the abbreviation for Oshima tsumugi.
From 大 (large) + 島 (island). The fabric sense is an abbreviation of 大島紬, named after Amami Oshima where it is produced.