thumbhole

Noun thumbhole has 2 senses

• thumbhole(n = noun.artifact) - the hole in a woodwind that is closed and opened with the thumb;
is a kind of hole
is a part of wood, woodwind, woodwind instrument

• thumbhole(n = noun.artifact) - a finger hole made to fit the thumb (as in a bowling ball);
is a part of bowl, bowling ball
is a kind of finger hole