From Middle English thoume, thoumbe, from Old English þūma, from Proto-Germanic *þūmô (compare West Frisian tomme, Dutch duim, Low German Dumen, German Daumen, Danish tomme, Swedish tumme), from Proto-Indo-European *tūm- (“to grow”) (compare Welsh tyfu (“to grow”), Latin tumēre (“to swell”), Albanian thumb (“a sting, protuberance”), Lithuanian tumėti (“to thicken, clot”), Ancient Greek τύμβος (túmbos, “burial mound”), Avestan [script needed] (tūma, “strong”), Sanskrit तुम्र (túmra, “strong, thick”)). The parasitic ‐b has existed since the late 13th century.
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 or cover with the thumb.
- to thumb the touch-hole of a cannon
- (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.
- To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling.
- He gravely informed the enemy that all his cards had been thumbed to pieces, and begged them to let him have a few more packs.
thumb m (indefinite plural thumba)
- stinger (of a bee)
- thorn, prick
- bell clapper, tongue (of bell)
- tack, thumbtack, shoe tack (spike)
- point of arrowhead, spiked tip of a goad or prod