KILO Meaning of KILO in English /kee"loh, kil"oh/ , n. , pl. kilos . 1. kilogram. 2. kilometer. 3. (a word used in communications to represent the letter K. ) [ 1865-70; shortened form ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012