from The Century Dictionary.

  • Of or pertaining to a siphuncle; si phonal: as, the siphuncular pedicle of a pearly nautilus.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Zoöl.) Of or pertaining to the siphuncle.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective zoology Of or pertaining to the siphuncle.


Sorry, no etymologies found.


  • The siphuncular process of the mantle was broken in my specimen; but its aperture appeared to communicate quite freely with the posterior division of the fifth chamber.

    Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology

  • Cut and polished length-wise, the fossil shows a magnificent logarithmic spiral, the general pattern of the dwelling which was a pearl palace, with numerous chambers traversed by a siphuncular corridor.

    The Life of the Spider

  • Cromer, the Mya truncata and Leda myalis are found with both valves united and erect in the loam, all with their posterior or siphuncular extremities uppermost.

    The Antiquity of Man


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  • Relating to the connecting tube in a cephalopod (such as a nautilus) that passes from the end of the body through all of the septa to the innermost chamber. Also, relating to the tubular organ on the abdomen of an aphid (the cornicle), from which a waxy fluid is secreted as a pheromone when the insect is attacked.

    November 12, 2007

  • What a lovely word! Ten points for the nautilus.

    November 13, 2007