Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Resembling a spine or thorn.
  • adj. Having spines or similar projections; spiny.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having many spines.
  • adj. Of a person, difficult to deal with, prickly.
  • adj. Of a subject, providing many difficulties, thorny.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Spinose; thorny.
  • adj. Having the form of a spine or thorn; spinelike.

from The Century Dictionary and Cyclopedia

  • In zoology and anatomy:
  • Having spines; spiny; spinigerous or spiniferous.
  • Shaped like a spine; spiniform; having the character of a spine; sharp or pointed: as, a spinous process of bone. See spinose.
  • In botany, same as spinose.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. shaped like a spine or thorn
  • adj. having spines

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

spine +‎ -ous, Latin spinōsus.

Examples

  • If I had so sweet a place, I would plant brambles, briers, blackthorn, furze, crataegus, every kind of spinous growth, inside my gates, and never let anybody lop them.

    Mary Anerley : a Yorkshire Tale

  • I'am not at all a paleontologist but I teach human anatomy and I'am very astonished by the spinous process of the vertebrae of the Maiacetus : on the skeleton you show us, spinous process of thoracic and lombar vertebral column are in the opposite angle caudal for thoracic and cranial for lombar : is it normal on dinosaurs ? was this on the original fossile ?

    Maiacetus, Part 2

  • Next is the spinous or squamous cell layer, the thick middle tier of the epidermis.

    Simple Skin Beauty

  • When the basal cells reach the spinous layer, they are referred to as squamous cells.

    Simple Skin Beauty

  • There are quite a some sites discover there that cater to indie and bound medium lovers, as I fresh spinous discover on Newteevee.

    From Sundance to the Oscars: How Long is BitTorrent’s Tail?

  • From this to the great vertebra (seventh cervical?) which is above the tops of the shoulders, it is convex behind lengthways; but it is more in appearance than it really is, for the spinous processes are highest in the middle, and less so above and below.

    On The Articulations

  • Anand breaks it down into spinous species, which includes G.

    Hansen and Bracket Fatigue « Climate Audit

  • The pink balls of the spinous mimosa, and bright flowers, especially the convolvulus and ipomaea, illuminated the dull green.

    Two Trips to Gorilla Land and the Cataracts of the Congo

  • This tail differs in different fishes, in some approximating in character to the fins, while in others, namely in some of the flat kinds, it is spinous and elongated, because the material which should have gone to the tail has been diverted thence and used to increase the breadth of the body.

    On the Parts of Animals

  • In such fishes, then, the tail is spinous and long; while in some others it is short and fleshy, for the same reason which makes it spinous and long in the

    On the Parts of Animals

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