guillemet /ˌɡiˈmeɪ/ noun1 •Either of the punctuation marks « or » (or ‹ or ›), used in several languages to indicate passages of speech. Similar to typical quotation marks used in the English language, such as “ and ”.Guillemets, however, proved popular and remain the key method of indicating quotations in French, Arabic, Italian, Greek and many other languages. — 2021 formsguillemets