Thumb

n.	1.	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. Thumb blue indigo in the form of small balls or lumps, used by washerwomen to blue linen, and the like. - Mortimer. 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. b - The dark spot over each foot in finely bred black and tan terriers. - Longfellow. 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. Thumb stall a - A kind of thimble or ferrule of iron, or leather, for protecting the thumb in making sails, and in other work. - Shak. 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.
v. t.	1.	To handle awkwardly. [imp. & p. p. Thumbed ; p. pr. & vb. n. Thumbing .]
	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.
v. i.	1.	To play with the thumb or thumbs; to play clumsily; to thrum.

Noun	1.	thumb - the thick short innermost digit of the forelimb Synonyms: pollex
	2.	thumb - the part of a glove that provides a covering for the thumb
	3.	thumb - a convex molding having a cross section in the form of a quarter of a circle or of an ellipse Synonyms: ovolo, quarter round
Verb	1.	thumb - travel by getting free rides from motorists Synonyms: hitchhike, hitch
	2.	thumb - look through a book or other written material; "He thumbed through the report"; "She leafed through the volume" Synonyms: leaf, riff, riffle, flick, flip
	3.	thumb - feel or handle with the fingers; "finger the binding of the book" Synonyms: finger

1.	(processor)	Thumb - An extension to the Advanced RISC Machine architecture, announced on 06 March 1995 by Advanced RISC Machines Ltd. By identifying the critical subset of the ARM instruction set and encoding it into 16 bits, ARM has succeeded in reducing typical program size by 30-40% from ARM's already excellent code density. Since this Thumb instruction set uses less memory for program storage, cost is further reduced. All Thumb-aware processor cores combine the capability to execute both the 32-bit ARM and the 16-bit Thumb instruction sets. Careful design of the Thumb instructions allow them to be decompressed into full ARM instructions transparently during normal instruction decoding without any performance penalty. This differs from other 32-bit processors, like the Intel 486SX, with a 16-bit data bus, which require two 16-bit memory accesses to execute every 32-bit instruction and so halve performance. The patented Thumb decompressor has been carefully designed with only a small amount of circuitry additional to the existing instruction decoder, so chip size and thus cost do not significantly increase. Designers can easily interleave fast ARM instructions (for performance critical parts of a program) with compact Thumb code to save memory.
2.	(jargon)	thumb - The slider or "bubble" on a window system scrollbar. So called because moving it allows you to browse through the contents of a text window in a way analogous to thumbing through a book.

To see a thumb in your dream, indicates that you need to get a grip on things. It is symbolic of power and ability, To dream that you have no thumbs, denotes poverty and loneliness. To dream that you have an abnormally large thumb, signifies a rapid rise to success. To dream that your thumb has a very long nail, denotes that you will be lured by into evil by seeking strange illicit pleasures.OK, accept, all thumbs, annulary, approve of, awkward, be contemptuous of, catch a ride, clumsy, come in contact, contemn, dactylion, deride, digit, disapprove of, dismiss, feel, feel of, finger, flick, flip through, flout, forefinger, ham-fisted, handle, hitch, hitch a ride, hitch rides, hitchhike, index, index finger, jeer at, little finger, maladroit, manipulate, medius, middle finger, minimus, mock, okay, palm, palpate, paw, pinkie, ply, poke at, pollex, prod, rebuff, reject, ring finger, scoff at, scorn, tap, thumb through, touch, turn down, twiddle, welcome, wield

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