v.tr. & intr. (also flaunch) (esp. with ref. to a chimney) slope inwards or cause to slope inwards towards the top. øøflanching n. [perh. f. OF flanchir f. flanche, flanc FLANK]
FLANCH
Meaning of FLANCH in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012