Word Study
flanch
CIDE DICTIONARY
flanch, n. [Prov. E., a projection, OF. flanche flank. See Flank.].
A flange. [1913 Webster]
" Flanches are always in pairs. A pair of flanches is considered one of the subordinaries." [1913 Webster]
OXFORD DICTIONARY
flanch, v.tr. & intr. (also flaunch) (esp. with ref. to a chimney) slope inwards or cause to slope inwards towards the top.
Derivative
flanching n.
Etymology
perh. f. OF flanchir f. flanche, flanc FLANK
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