die
die - kostka (hrací), hrací kostka
BrE
/'daɪ/
AmE
/'daɪ/

noun, American English - a small cube with numbers 1-6 on its sides, used in various games

dice
dice - kostka (hrací), hrací kostka
BrE
/'daɪs/
AmE
/'daɪs/

noun - a small cube with numbers 1-6 on its sides, used in various games