Chinese
|  | cuboid bone; dice | 
 child; son; (noun suff.) child; son; (noun suff.); small thing; midnight; 11 p.m.-1 a.m.; seed; egg; 1st earthly branch | 
| trad. (骰子/投子) | 骰/投 | 子 | 
| simp. (骰子) | 骰 | 子 | 
Noun
骰子 (classifier 顆/颗 (kē))
-  dice
-  擲骰子 / 掷骰子  ―  zhì tóuzi  ―  to throw dice
 
Synonyms
 
Japanese
Etymology
Probably from a compound of 采 (sai) + 転 (koro). The kanji is from Chinese 骰子.
Noun
骰子 (hiragana さいころ, katakana サイコロ, romaji saikoro)
-  Alternative spelling of 賽子