Thumb Meaning
/ˈθʌm/Definition, CEFR level B1, pronunciation, examples, and quiz.
Definition
nounThe shortest and thickest 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.
nounThe part of a slider that may be moved linearly along the slider.
Sentence Examples
Word Origin & History
Derived from Middle English thombe, thoume, thoumbe (“thumb”), from Old English þūma (“thumb”), from Proto-West Germanic *þūmō (“thumb”), from Proto-Germanic *þūmô (“thumb”), from Proto-Indo-European *tūm- (“to grow”). Cognate with West Frisian tomme (“thumb”), Dutch duim (“thumb”), Low German Duum (“thumb”), German Daumen (“thumb”), Danish, Norwegian Bokmål, and Norwegian Nynorsk tomme (“inch”), Norn tum (“thumb”), Swedish tumme (“thumb”), tum (“inch”), Russian дюйм (djujm, “inch”), Ancient Greek τύμβος (túmbos, “burial mound”). Also compare Welsh tyfu (“to grow”), Latin tumēre (“to swell”), Lithuanian tumėti (“to thicken, clot”), Avestan 𐬀𐬨𐬏𐬙 (amūt, “strong”), Sanskrit तुम्र (túmra, “strong, thick”). The parasitic ‐b has existed since the late 13th century. Doublet of tomb.