Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A bone of the wrist in the proximal row of carpal bones.
from The Century Dictionary.
- noun An instrument used by ancient and medieval astronomers for measuring altitudes of heavenly bodies; the parallactic rules of Ptolemy. It consisted of three rods: one vertical, the second jointed to it at the top and carrying sights, the third jointed to the first at the bottom. The second and third were graduated.
- noun In anatomy, one of the irregular, often triangular, Wormian bones found in the lambdoid suture of the skull: more fully called
os triquetrum , and generally in the plural ossa triquetra.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Anat.) One of the bones of the carpus; the cuneiform. See
cuneiform (b).
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The
triquetral bone - noun An astronomical instrument.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Van der Kloet plants A. neapolitanum and A. triquetrum in such spots.
Gardens: Alliums 2010
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A. triquetrum can be invasive, she warns, but adds, "It is so lovely that I don't care."
Gardens: Alliums 2010
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On a whim I thought I would try doing some ‘boy’ push ups (you know, no knees) I did 5×5 on 3 consecutive days and that was that – ligament damage, an avulsion fracture on the dorsal side of the triquetrum, and hematoma …. obviously exercise is bad for you, I have learnt my lesson! xx Anna
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Herbaceous species, such as Arisarum vulgare, Vinca difformis, Allium triquetrum, and Ballota hispanica, frequently appear within the dense and shady tree layer.
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Herbaceous species include Arisarum vulgare, Vinca difformis, Allium triquetrum, and Ballota hispanica and frequently appear within the dense and shady tree layer.
Southwest Iberian Mediterranean sclerophyllous and mixed forests 2008
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It has also been observed in _Trichostomum rigidulum_ and _Hypnum triquetrum_.
Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Maxwell T. Masters
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(Dendrolobium triangulare, Desmodium gangeticum, Desmodium heterocarpon, and Tadehagi triquetrum)
Mongabay.com News 2009
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(Dendrolobium triangulare, Desmodium gangeticum, Desmodium heterocarpon, and Tadehagi triquetrum)
Mongabay.com News 2009
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The Chinese triquetrum has a circle in the centre and five or eight commas.] [169: See on this my paper "The Origin of Early Siberian Civilization," now being published in the _Memoirs and Proceedings of the Manchester
The Evolution of the Dragon G. Elliot Smith
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