粗琢塊石
Knobbing \Knob"bing\, n. (Stone Quarrying) Rough dressing by knocking off knobs or projections.
knob
n 1: a circular rounded projection or protuberance [syn: {boss}]
2: a round handle
3: any thickened enlargement [syn: {node}, {thickening}]
4: an ornament in the shape of a ball on the hilt of a sword or
dagger [syn: {pommel}]
[also: {knobbing}, {knobbed}]
knobbing
See {knob}