knob
definition: a round handle
example:
speech part: noun
synonyms:
definition: a circular rounded projection or protuberance
example:
speech part: noun
synonyms:
boss
definition: an ornament in the shape of a ball on the hilt of a sword or dagger
example:
speech part: noun
synonyms:
pommel
definition: any thickened enlargement
example:
speech part: noun
synonyms:
thickening