セコハンせこはんMeanings1noun which may take the genitive case particle 'no'secondhand; usedabbreviationAbbreviation of セコンドハンド (secondhand). Used as a no-adjective, e.g., セコハンの車 (a used car). Casual and somewhat dated; 中古 (ちゅうこ) is more common in modern Japanese.See also: セカンドハンドセコハンのバイクを買かった。I bought a used motorcycle.