A surname from German.

plural of Thum

The short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.

(transitive) To touch or cover with the thumb. / (transitive, with through) To turn the pages of (a book) in order to read it cursorily. / (travel) To hitchhike

(idiomatic) Lack of skill at growing plants; something possessed by a poor gardener.

(US, idiomatic) A natural skill for gardening. / (US) A person with this skill.

To place a thumb upon the tip of the nose, typically with the fingers spread and while simultaneously wiggling one's fingers, in a gesture of disrespect.

(idiomatic) Completely controlled by someone; at someone's command.

The fingernail on the thumb. / A rough sketch (e.g., the size of one's thumbnail). / (chiefly computing) A small picture, used as a compact representation of a larger image.

(transitive) To describe concisely. / (transitive, computing) To create a smaller representation of (a larger image).