blackfriars

== English == === Noun === blackfriars plural of blackfriar === Interjection === blackfriars (obsolete, UK, thieves' cant) look out; beware ==== Synonyms ==== cave, look out, watch it, or see Thesaurus:heads up === References === Albert Barrère and Charles G[odfrey] Leland, compilers and editors (1889–1890), “blackfriars”, in A Dictionary of Slang, Jargon & Cant […], volume I (A–K), Edinburgh: […] The Ballantyne Press, →OCLC, page 127. John S[tephen] Farmer, compiler (1890), “blackfriars”, in Slang and Its Analogues Past and Present. […], volume I, [London: […] Thomas Poulter and Sons] […], →OCLC, page 212.