knur

1. A knurl.
2. The small wooden ball in the game of trap ball, or knurr and spell.

Pronounced as (IPA)

/nɜː(ɹ)/

Etymology

Inherited from Middle English: knorre

Cognate with German: Knorren

Cognate with Danish: knor

In summary

Late Middle English knorre, variant of knarre; see knar (“knot on a tree trunk”).
Cognate with German Knorren (“knurl”) and Danish knor (“knurl”).

Synonyms

bur

burl

gnarl

knar