The definition of 'thumbholes' & the word 'thumbholes' in example sentences or phrases

Noun
1
the hole in a woodwind that is closed and opened with the thumb
2
a finger hole made to fit the thumb (as in a bowling ball)

Synonyms of the word 'thumbholes' & Antonyms of the word 'thumbholes'.

Noun
Synonymsthumbhole, thumbhole,