Gair y Dydd: trydar http://geiriadur.ac.uk/gpc/gpc.html?trydaraf – yr adar yn trydar ar hyn o bryd ond pwy fyddai wedi meddwl bod cymaint o ystyron i'r gair? #cymraeg
Word of the Day: trydar 'to tweet': http://geiriadur.ac.uk/gpc/gpc.html?trydaraf – birds tweet, of course, but who would think there were so many other meanings to this #Welsh verb?