চকু (Assamese) [ Roman: so.ku]
    dfc: -টো, -যোৰ
    1. Anatomy(Material Noun-Neuter) the organ through which light is perceived and visually identified যি অঙ্গৰ দ্বাৰা পোহৰৰ অৱস্থিতি অনুভৱ কৰা হয় আৰু দেখা যায়
    Contributed by: Bikram M Baruah on 2009-02-09
    2. Anatomy(Material Noun-Neuter) the organ in an animal that senses optical signals comprising the iris, the lens, the pupil and the cornea