knoppern (English, noun)
expansion: knoppern (plural knopperns)
expansion: knoppern pl (plural only)
Senses:
glosses: A kind of gall (blister on a plant) produced by a gallfly on the cup of an acorn, and formerly used in tanning and dyeing.
tags: archaic
plural
plural-only
Forms:
form: knoppern
tags: canonical
form: knoppern
tags: canonical
plural
form: knopperns
tags: plural