conker
con·ker
noun
Origin
As a term for horse chestnut, derived from the name of the game conkers, which came first. Theories for the original meaning include 19th-century dialect conker (“snail-shell”) (the game of conkers was originally played using snail-shells), from conch + -er, or a variant of conquer.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.