Definitions

from The Century Dictionary.

  • Having the form of a quill or feather; resembling a feather in form.

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

  • adjective Having the form of a feather or plume.

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

  • adjective Feather-shaped

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin penna ("feather") + -form

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Examples

  • The Extensor digitorum longus is a penniform muscle, situated at the lateral part of the front of the leg.

    IV. Myology. 8c. The Muscles and Fasciæ of the Leg 1918

  • The latter mode of attachment occurs in all the penniform and bipenniform muscles, and in those muscles the tendons of which commence in a membranous form, as the Gastrocnemius and Soleus.

    IV. Myology. 3. Tendons, Aponeuroses, and Fasciæ 1918

  • On examination the detached portion was found to include the terminal phalanx of the thumb, together with the tendon of the flexor longus pollicis measuring ten inches, about half of which length had a fringe of muscular tissue hanging from the free borders, indicating the extent and the penniform arrangement of the fibers attached to it.

    Anomalies and Curiosities of Medicine 1896

  • On examination the detached portion was found to include the terminal phalanx of the thumb, together with the tendon of the flexor longus pollicis measuring ten inches, about half of which length had a fringe of muscular tissue hanging from the free borders, indicating the extent and the penniform arrangement of the fibers attached to it.

    Anomalies and Curiosities of Medicine 1896

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