thumb


thumb
The first digit on the radial side of the hand. SYN: pollex [TA], digitus (manus) primus, first finger. [A.S. thuma]
- bifid t. a congenital malformed t. where the distal phalanx is divided.
- gamekeeper's t. chronic radial subluxation of the metacarpophalangeal joint of the t..
- hitchhiker t. malposition of the t., which, as a result of shortness of the first metacarpal, stands at right angles to the radial border of the hand and in the same place as it; a characteristic sign of diastrophic dwarfism.
- tennis t. tendinitis with calcification in the tendon of the long flexor of the t. (flexor pollicis longus) caused by friction and strain as in tennis playing, but also occurring in other exercises in which the t. is subject to repeated pressure or strain.

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thumb 'thəm n the short and thick first or most preaxial digit of the human hand that differs from the other fingers in having only two phalanges, in having greater freedom of movement, and in being opposable to the other fingers

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(thum) pollex.

Medical dictionary. 2011.

Look at other dictionaries:

  • Thumb — Thumb, n. [OE. thombe, thoumbe, [thorn]ume, AS. [thorn][=u]ma; akin to OFries. th[=u]ma, D. duim, G. daumen, OHG. d[=u]mo, Icel. [thorn]umall, Dan. tommelfinger, Sw. tumme, and perhaps to L. tumere to swell. [root]56. Cf. {Thimble}, {Tumid}.] The …   The Collaborative International Dictionary of English

  • Thumb — bezeichnet: Thumb (Architektenfamilie), Vorarlberger Architektenfamilie des Barock Thumb (Band), Crossover Band Thumb von Neuburg, Adelsfamilie zur Zeit des Heiligen Römischen Reichs Thumbnail, Miniaturansicht eines Bildes einen Prozessor… …   Deutsch Wikipedia

  • thumb — [thum] n. [ME (with unhistoric b) < OE thuma, akin to Ger daume(n) < IE base * tēu , to swell, increase > L tumor: basic sense, “enlarged finger”] 1. the short, thick digit of the human hand that is nearest the wrist and is opposable to… …   English World dictionary

  • thumb — ► NOUN ▪ the short, thick first digit of the hand, set lower and apart from the other four and opposable to them. ► VERB 1) press, touch, or indicate with one s thumb. 2) turn over (pages) with one s thumb. 3) (thumbed) (of a book s pages) worn… …   English terms dictionary

  • Thumb — Thumb, v. t. [imp. & p. p. {Thumbed}; p. pr. & vb. n. {Thumbing}.] 1. To handle awkwardly. Johnson. [1913 Webster] 2. To play with the thumbs, or with the thumbs and fingers; as, to thumb over a tune. [1913 Webster] 3. To soil or wear with the… …   The Collaborative International Dictionary of English

  • Thumb — Thumb  режим процессоров ARM, в котором используется сокращенная система команд. Она состоит из 36 команд, взятых из стандартного набора 32 разрядных команд архитектуры ARM и преобразованных до 16 разрядных кодов. Длина команд Thumb… …   Википедия

  • Thumb — Thumb, v. i. To play with the thumb or thumbs; to play clumsily; to thrum. [1913 Webster] [1913 Webster] …   The Collaborative International Dictionary of English

  • thumb — index peruse Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • thumb — UK US /θʌm/ noun [C] ● get/be given the thumbs down Cf. get/be given the thumbs down ● get/be given the thumbs up Cf. get/be given the thumbs up …   Financial and business terms

  • Thumb — For other uses, see Thumb (disambiguation). Thumb The Thumb. Latin pollex, digitus primus, digitus I Artery …   Wikipedia

  • thumb — [[t]θʌ̱m[/t]] thumbs, thumbing, thumbed 1) N COUNT Your thumb is the short thick piece on the side of your hand next to your four fingers. She bit the tip of her left thumb, not looking at me. 2) N COUNT The thumb of a glove is the part which a… …   English dictionary


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