Nantoka/暗礁àn jiāo暗礁 (àn jiāo) is a Chinese word meaning “submerged reef (rock)”.Meanings1submerged reef (rock)Characters in 暗礁暗àn · dark礁jiāo · reefRelated words黑暗dark暗dark暗(literary) to close (a door)暗variant of 暗[an4]暗示to hint; to suggest暗杀to assassinate暗号secret signal; password; countersign阴暗dim暗中in the dark暗算to plot against暗语code word暗地里secretly; inwardly; on the slyStudy Chinese with flashcards →