thumb has definitions from the fields of anatomy,zoology,transportation,clothing,architecture
1
[ noun ] (anatomy,zoology) the thick short innermost digit of the forelimb

Synonyms

pollex

Used in print

(The Times-Picayune, [New Orleans]...)

The speed is controlled by pressing on the two brake buttons located where the index_finger and thumb are placed when holding the motor .

2
[ verb ] (transportation) travel by getting free rides from motorists

Synonyms

hitch hitchhike

Used in print

(Ralph J. Salisbury, "On the Old Santa Fe Trail...)

Suddenly a treble auto horn tootley-toot-tootled , and , thumbing hopefully , I saw emergent in windshield flash : red lips , streaming silk of blonde hair and - ah , trembling confusion of hope , apprehension , despair - the leering face of old Herry .

Still nursing anger I listlessly thumbed a car that was slowly approaching , its pre-war chrome nearly blinding me .

Related terms

ride hitchhiker

3
[ verb ] look through a book or other written material

Examples

"He thumbed through the report" "She leafed through the volume"

Related terms

peruse leaf

4
[ noun ] (clothing) the part of a glove that provides a covering for the thumb

Related terms

covering glove

5
[ noun ] (architecture) a convex molding having a cross section in the form of a quarter of a circle or of an ellipse

Synonyms

quarter_round ovolo

Related terms

molding echinus

6
[ verb ] feel or handle with the fingers

Synonyms

finger

Examples

"finger the binding of the book"

Related terms

touch

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