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 (pĕn′tə-dăk′təl) also pen·ta·dac·ty·lous (-tə-ləs)
adj. Biology
Having five digits on each extremity.

[Latin pentadactylus, from Greek pentadaktulos : penta-, penta- + daktulos, finger, toe.]

pen′ta·dac′tyl·ism (-tə-lĭz′əm), pen′ta·dac′ty·ly (-tə-lē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.




(Zoology) (of the limbs of amphibians, reptiles, birds, and mammals) consisting of an upper arm or thigh, a forearm or shank, and a hand or foot bearing five digits
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɛn təˈdæk tl, -tɪl)

having five digits on each hand or foot.
[1655–65; < Latin pentadactylus < Greek pentadáktylos. See penta-, -dactyl]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Both ichnotaxa are characterized for its resting traces, with metatarsal and hallux marks and the presence of pentadactyl manus prints, but also occurs in the form of multiple pesonly tracks (Olsen and Rainforth, 2003; Belvedere et al, 2011).
With well developed five-toed (pentadactyl) limbs, dorsoventral flattening and high agility, P.
Leg skeleton in birds, because pentadactyl limb, compared to wing skeleton, has been considerably under less attention and probably because of that the information about natural development of the skeleton is rare.
During the 20th century, some instability in the generic allocation of many diploglossine taxa resulted from disagreement as to whether or not the extant pentadactyl species comprised one or two genera.
Another thing that he'll need to explain is the Pentadactyl limb, the ancestral terrestrial vertebrates' limb plan, which is found in all classes of tetrapods (vertebrates with four feet, legs, or leg-like appendages) from mammals to amphibians.
In conjunction with the self-twining of the body into interiority^exteriority (container^contained) which is coterminous with the sexual self-differentiation and therefore its fundamental binary dynamism, this pentadactyl scheme is one of the most salient features of the Yagwoia system of social classification and cognitive articulation in general (Mimica 1988).
Note that PENTADACTYL below and its 12-letter variant spelling above result from shiftgramming two words with the same shift; however, these latter two words form a well-mixed transdeletion, so the 11-letter example is not a trivial variant of the 12-letter example.
A character like the pentadactyl forelimb of a penguin has passed through many different selective episodes during its existence.
Paleontologists have traditionally held that all land vertebrates followed a five-digit or pentadactyl pattern.