I helpu pobl i ddeall wrth wylio’r rygbi ar S4C (s4c.cymru/cy/chwaraeon/rygbi) neu wrando ar Radio Cymru (bbc.co.uk/programmes/b00dyw7t), dyma restr o dermau cyffredin… Amdani! C’mon Cymru! To help people while watching rugby on S4C (s4c.cymru/cy/chwaraeon/rygbi)  or listening on Radio Cymru (bbc.co.uk/programmes/b00dyw7t), here’s a list of common terms… Game on! C’mon Cymru! Safleoedd / Positions 1, Loose-head … Parhau i ddarllen Terminoleg Rygbi / Rugby Terminology