The word “thumb” in Latin is pollex meaning “the strong one”.    From Wordnik.com.  [May « 2004 « So Many Books] Reference

This digit is called the ‘pollex,’ or thumb; and, like the others, it bears.    From Wordnik.com.  [Essays] Reference

K, pollex (first digit, or "'thumb"); K2 and K3 second or "index" digit, and next or third digit.    From Wordnik.com.  [Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy.] Reference

Kopidodon macrognathus, bat Archaeonycteris pollex, and a large rodent Ailuravus macrurus have also been identified.    From Wordnik.com.  [Messel Pit fossil site, Germany] Reference

I,ve just started playing, enjoyed it but got fed up when they made a mistake, pollex for thumb instead of pollux. on July 3, 2008 at 4:04 am | Reply Rajesh.    From Wordnik.com.  [FreeRice.com: Gather, all ye word whores « The Life and Times of Organic Mama] Reference

In forms with large pollex claws (like diplodocoids), the anatomy of the penultimate phalanx and the distal end of the first metacarpal indicates that some flexion and extension of the claw was possible: in other words, these sauropods could both lift and lower their claws (albeit not by much compared to what was possible in other dinosaurs).    From Wordnik.com.  [Archive 2006-04-01] Reference

In the forefoot all the digits except the pollex, or first, were well developed.    From Wordnik.com.  [A History of Science: in Five Volumes. Volume III: Modern development of the physical sciences] Reference

With the exception of the pollex (digit I), all of the proximal phalanges are about the same length (the proximal phalanx of digit I is not known).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

An "opponens" muscle is one which passes from the bones of the wrist to one or other of the bones of the middle of the hand called metacarpals, and the opponens pollicis passes of course, as its name implies, to the metacarpal of the pollex or thumb.    From Wordnik.com.  [The Common Frog] Reference

(c.); of a series of metacarpals (mc.); and of three digits (= fingers) each, except the first, or pollex, of three small bones -- the phalanges, only the proximal of which appear in the figure.    From Wordnik.com.  [Text Book of Biology, Part 1: Vertebrata] Reference

TAFF (whatwidth the psychophannies at the front and whetwadth the psuckofumbers beholden the fair, illcertain, between his bulchri-chudes and the roshashanaral, where he sees Bishop Ribboncake plus his pollex prized going forth on his visitations of mirrage or Miss.    From Wordnik.com.  [Finnegans Wake] Reference

Malar short and slender, generally reduced to a splint between the maxillary and squamosal processes; external characters very variable; pollex rudimentary, but often with a small nail; tail generally sub-naked and scaly, rarely densely haired. ".    From Wordnik.com.  [Natural History of the Mammalia of India and Ceylon] Reference

Est pollex Veneris; sed Jupiter indice gaudet.    From Wordnik.com.  [Arabian nights. English] Reference