thumb
n. கட்டைவிரல், கைப் பெருவிரல், விலங்குகளின் கட்டைவிரல், (வினை) பெருவிரலாற் கையாண்டு தேய் அல்லது அழுக்காக்கு, கட்டைவிரல்படக் ககையாளு, கட்டைவிரல் பட்டுத் தேய்வுறுத்து, ஏட்டைக் கட்டை விரல் படுதலால் அழுக்காக்கு, கட்டைவிரலால் மாசுபடுத்து, பெருவிரலால் தொடு, பெருவிரல் தொட்டுக் கையாளு, பெருவிரல் அழுத்து, ஆபாசமாக் கையாளு, கருத்து முனைப்பாக வாசி, பெருவிரஷ்ல் சைகை செய், இசைப்பெட்டியின் விரற்கட்டைகளை நயமின்றிக் கையாளு, அருவருப்பாக இசைமிழற்று,.
Thumb, n. Etym: [OE. thombe, thoumbe, , AS. ; akin to OFries. th, D. duim, G. daumen, OHG. d, Icel. , Dan. tommelfinger, Sw. tunne, and perhaps to L. tumere to swell. *56. Cf. Thimble, Tumid.] Defn: The short, thick first digit of the human hand, differing from the other fingers in having but two phalanges; the pollex. See Pollex. Upon his thumb he had of gold a ring. Chaucer. Thumb band, a twist of anything as thick as the thumb. Mortimer. -- Thumb blue, indigo in the form of small balls or lumps, used by washerwomen to blue linen, and the like. -- Thumb latch, a door latch having a lever formed to be pressed by the thumb. -- Thumb mark. (a) The mark left by the impression of a thumb, as on the leaves of a book. Longfellow. (b) The dark spot over each foot in finely bred black and tan terriers. -- Thumb nut, a nut for a screw, having wings to grasp between the thumb and fingers in turning it; also, a nut with a knurled rim for the same perpose. -- Thumb ring, a ring worn on the thumb. Shak. -- Thumb stall. (a) A kind of thimble or ferrule of iron, or leather, for protecting the thumb in making sails, and in other work. (b) (Mil.) A buckskin cushion worn on the thumb, and used to close the vent of a cannon while it is sponged, or loaded. -- Under one's thumb, completely under one's power or influence; in a condition of subservience. [Colloq.] Thumb, v. t. [imp. & p. p. Thumbed; p. pr. & vb. n. Thumbing.] 1. To handle awkwardly. Johnson. 2. To play with the thumbs, or with the thumbs and fingers; as, to thumb over a tune. 3. To soil or wear with the thumb or the fingers; to soil, or wear out, by frequent handling; also, to cover with the thumb; as, to thumb the touch-hole of a cannon. 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. Macaulay. Thumb, v. i. Defn: To play with the thumb or thumbs; to play clumsily; to thrum.