Thumbhole definitions

Thumbhole

1) Bowling ball feature 2) Hole 3) Place to grip a palette
Found on https://www.crosswordclues.com/clue/thumbhole

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thumbhole

[n] - the hole in a woodwind that is closed and opened with the thumb 2. [n] - a finger hole made to fit the thumb (as in a bowling ball)
Found on http://www.webdictionary.co.uk/definition.php?query=thumbhole

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thumbhole

noun a finger hole made to fit the thumb (as in a bowling ball)
Found on https://www.encyclo.co.uk/local/20974

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