Found 1 items, similar to Knoppern.
English → English (gcide) Definition: Knoppern Knoppern \Knop"pern\, n. [Cf. G. knopper. See Knop.] (Zo["o]l.) A kind of gall produced by a gallfly on the cup of an acorn, -- used in tanning and dyeing. [1913 Webster]