English: think piece
Welsh: papur gwyntyllu
Subject: Diwylliant a'r celfyddydau
Welsh definition: An article containing discussion, analysis, or opinion, as opposed to fact or news.
Plural: papurau gwyntyllu
Notes: Gallai cyfieithiadau eraill fod yn addas, ee ‘darn barn’, ‘ysgrif’, gan ddibynnu ar y cyd-destun.