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)

Derived forms: thumbholes

Type of: finger hole, hole

Part of: bowl, bowling ball, wood, woodwind, woodwind instrument

• biauriculate heart
• biaxal
• biaxate
• biaxial
• bib
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• bibb
• Bibb lettuce
• bibbed
• bibelot
• bible
• Bible Belt
• bible leaf
• Bible-worship
• bibless
• biblical
• Biblical Aramaic
• Biblical Latin
• biblically
• Biblicist
• biblio-
• bibliographer
• bibliographic