noun A short, thick digit of the hand that is set lower and apart from the other four and opposable to them.
Thumbprint recognition is a security feature used on smartphones and other devices to unlock or authenticate users.
The thumb is a digit on the hand that is opposable to the other fingers, allowing for grasping and fine motor skills.
Thumbs are used in sports such as hitchhiking, hitchhiking, and bowling to provide support and stability.
Thumbs up or thumbs down gestures are commonly used to indicate approval or disapproval in various forms of art and media.
The phrase 'rule of thumb' is used to describe a general guideline or principle based on practical experience rather than exact measurement.
In the context of writing, 'thumb' can refer to the short summary or preview of a longer piece of text, often found at the beginning of an article or book.
Psychologists may use the term 'thumb' in the context of hand gestures and body language analysis during therapy sessions or when studying human behavior.
Surgeons may refer to the thumb as a vital digit used for gripping and manipulating surgical instruments during procedures.
In art, 'thumb' can refer to a small, low-resolution image used as a preview or placeholder for a larger, more detailed piece of artwork.
Musicians may use the term 'thumb' to describe a specific technique for playing stringed instruments, such as using the thumb to pluck or strum the strings.