竜 (readings: りゅう, りょう, ろう, たつ, いせ; Japanese kanji) means “Dragon / Imperial”. It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 恐竜 (dinosaur).
What does 竜 mean?