knobble

[nob-uh l]

verb (used with object), knob·bled, knob·bling.

to knob (excess stone).
Metallurgy. to treat (semirefined puddled iron) on a hearth before shingling to produce wrought iron.

Origin of knobble

First recorded in 1835–45; knob + -le

Related formsknob·bler

[nob-ler] /ˈnɒb lər/, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018