ひかり Meanings Noun Hikari (i.e.: high-speed Tōkaidō and Sanyō-line Shinkansen train service (faster than Kodama; slower than Nozomi)) See also: こだま. See also: のぞみ. Words containing ひかり ひかりの輪 (ひかりのわ) The Circle of Rainbow Light Jinuma: Japanese Dictionary · Word lists