চাবিকাঠি (Assamese) [ Roman: sa.bi.ka.thi]
    Contributed by: Bikram M Baruah on 2009-10-09
    1. (Material Noun-Neuter) A manual device that opens lock তলা খুলিব পৰা এক সঁজুলি
    Contributed by: Bikram M Baruah on 2009-10-09
    2. (Abstract Noun) The primary solution of a problem; the root cause or the initiating point of an event
    চাবিকাঠি (Bangla)
    Contributed by: Sushanta Kar on 2010-09-05
    3. (Abstract Noun) The primary solution of a problem; the root cause or the initiating point of an event