tetrapod


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tet·ra·pod

 (tĕt′rə-pŏd′)
n.
1. Any of numerous organisms of the group Tetrapoda, usually characterized as those species that have four limbs with digits and those, such as whales and snakes, that are descended from such species. Tetrapoda includes the amphibians, reptiles, birds, and mammals.
2. A vertebrate animal with four feet, legs, or leglike appendages.

tet′ra·pod′ adj.

tetrapod

(ˈtɛtrəˌpɒd)
n
1. (Animals) any vertebrate that has four limbs
2. (Arms & Armour (excluding Firearms)) Also called: caltrop a device consisting of four arms radiating from a central point, each at about 109° to the others, so that regardless of its position on a surface, three arms form a supporting tripod and the fourth is vertical
3. (General Engineering) engineering a very large cast concrete structure of a similar shape piled in large numbers round breakwaters and sea defence systems to dissipate the energy of the waves

tet•ra•pod

(ˈtɛ trəˌpɒd)

n.
1. any vertebrate having four limbs or, as in the snake and whale, having had four-limbed ancestors.
adj.
2. having four limbs or descended from four-limbed ancestors.
[1820–30; < New Latin tetrapodus < Greek tetrapod-, s. of tetrápous four-footed]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tetrapod - a vertebrate animal having four feet or legs or leglike appendages
craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
quadruped - an animal especially a mammal having four limbs specialized for walking
Translations

tetrapod

nTetrapode m (spec), → Vierfüßer m
References in periodicals archive ?
The specific shape of the tetrapod substrates allowed us to simply wedge the Seeding Units into natural crevices of the reef, says Valrie Chamberland, who led the field research on Curaao as part of her PhD work at IBED.
In the early 1900s, George Frederic Matthew (1837-1923) identified and reviewed tetrapod footprints and trackways from the Maritimes region of Canada in an attempt to provide some organization to the classification of vertebrate ichnotaxa (Matthew 1903a-e, 1904, 1905).
Devonian palaeosols and tetrapod habitats in Pennsylvania.
This early tetrapod could be the earliest example of a reptile and explain the origin of amniotes, all vertebrates that belong to reptiles, birds and mammals.
A new study led by Denis Duboule's team, at the UNIGE and the EPFL, Switzerland, indicated that the main mechanism used to pattern tetrapod limbs was already present in fish.
So it's somewhat disappointing when, instead of wrestling the aquatic tetrapod or walking the plank, when vanquished by Pan he simply stumbles off stage, straight into its jaws.
M2 EQUITYBITES-March 27, 2013-Quantum Materials Corporation signs agreement to supply tetrapod QD to US Government(C)2013 M2 COMMUNICATIONS http://www.
indicates that Ichthyostega may have been closer to the first tetrapod.
Scientists at Uppsala University, Sweden, used CT scans to examine the fossils of panderichthys - a transitional animal halfway between a fish and a tetrapod.
They describe the magnetic polarity time scale across the Permian-Triassic boundary, two remarkable Permian petrified forests, global Permian tetrapods, the climate of the region now known as Europe, tetrapod ichnofacies, footprint comparisons by region, amphibians, fishes of continental basins, Permian to Triassic sequences in Europe, the singular questions of transitions in France, implications from findings in Morocco, and the record left by insects.
The firm's objective is to become the first bulk manufacturer of high quality tetrapod quantum dots and the first solar cell manufacturer to be able to offer a solar electricity solution that competes on a non-subsidized basis with the price of retail electricity in key markets in North America, Europe, the Middle East and Asia.
So "crutching," as it's called, may have been a form of tetrapod movement.