Middle English thoume, thoumbe, from Old English þūma, from Proto-Germanic *þūmô (cf. West Frisian tomme, Dutch duim, German Daumen), from Proto-Indo-European *tūm- (“to grow”) (cf. Welsh tyfu (“to grow”), Latin tumēre (“to swell”), Albanian thumb (“a sting, protuberance”), Lithuanian tumėti (“to thicken, clot”), Ancient Greek týmbos 'burial mound', Avestan tūma 'strong', Sanskrit túmras 'strong, thick').
thumb (plural thumbs)
- 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.
- (computing) The part of a slider that may be moved linearly along the slider.
- (colloquial, Internet) A thumbnail picture.
- 2001, "Gary", Wanna See Porn? Take a Look At These (Free Expandable Thumbs) - CLICK HERE (on newsgroup alt.sex.services)
- (digit): opposable thumb
- (transitive) To touch with the thumb.
- (transitive, with through) To turn the pages of (a book) in order to read it cursorily.
- I thumbed through the book and decided not to bother reading it all.
- (travel) To hitchhike
- So I started thumbin' back east, toward my hometown.
thumb m (indefinite plural thumba)
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