চতুষ্ক (Assamese) [ Roman: so.tus.ko]
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    Contributed by: Biraj Kumar Kakati on 2008-09-07
    1. (Proper Noun-Neuter) A flat shape with four sides (straight) চাৰিডাল সৰল ৰেখাৰে আগুৰা ক্ষেত্ৰ ।