1. (Abstract Noun) a sudden intense burst of radiant energy; a momentary brightness হঠাৎ অহা বহু উজ্জ্বল পোহৰ৷

English: flash,
Assamese: চকমকনি, চটক, চমক, ঝমক,
Bodo: ब्लाउ जोंखांनाय,
Dimasa: waibaola

2. Bird(Common Noun) A small brwonish-grey bird

English: house sparrow, passer domesticus, sparrow,
Assamese: ঘনচিৰিকা, ঘৰচিৰিকা, ঘৰচৰাই, চটক, চাটক,
Bodo: सखा,
Mising: ghonsirika, pagsarung,
Khasi: sim khar,
Garo: do.chok,
Meeteilon: shendrang,
Karbi: vo-chet,
Kok-Borok: charai,
Hmar: chawngzawng,
Nagamese: sirika sorai,
Dimasa: daopharsi,
Tai: নুকৰেন, ন্যুক্ চক্,
Hindi: गौरैया,
Nepali: चटक, चाटक, भंगेरो