ऊर्ध्व (Hindi) [ Roman: ur.dhva]
    Contributed by: Bornaly Hazarika on 2011-02-25
    1. (Proper Adj.) A line or plane at right angles or 90 degrees to a horizontal plane ভূপৃষ্ঠৰ সৈতে ৯০ ডিগ্ৰী কোণ কৰি থকা অৱস্থা