What is the meaning of Quis?

past participle of quérir

masculine plural of qui

first/second-person singular past historic of quérir

first/third-person singular preterite indicative of querer

1. who

   who

   what

   what

   who

   why, what for

   someone, something, anyone, anything; any

   which; what

   second-person singular present active indicative of queō

   I

   first/third-person singular preterite indicative of querer

   Source: wiktionary.org