noun
non-commissioned rank (JGSDF)
Specifically a rank in the Japan Ground Self-Defense Force, equivalent to a non-commissioned officer rank. Used in official contexts.
See also: 一等陸士
彼は陸士として自衛隊に入隊した。
He joined the Self-Defense Forces as a non-commissioned officer.
noun
Abbreviation of 陸軍士官学校. Historical term for the Imperial Japanese Army Academy; not used for modern institutions.
See also: 陸軍士官学校
陸士は戦前の陸軍士官学校を指す略称だ。
陸士 is an abbreviation for the pre-war Imperial Japanese Army Academy.
Compound of 陸 (riku, 'land') and 士 (shi, 'warrior' or 'gentleman'). Sense 1 is a modern JGSDF term; sense 2 is a historical abbreviation.