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spinous

American  
[spahy-nuhs] / ˈspaɪ nəs /

adjective

  1. covered with or having spines; thorny, as a plant.

  2. armed with or bearing sharp-pointed processes, as an animal.

  3. spinelike.


spinous British  
/ ˈspaɪnəs /

adjective

  1. resembling a spine or thorn

    the spinous process of a bone

  2. having spines or spiny projections

  3. another word for spinose

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of spinous

1630–40; < Latin spīnōsus; see spine, -ous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The supraspinous ligament is located on the posterior side of the vertebral column, where it interconnects the spinous processes of the thoracic and lumbar vertebrae.

From Textbooks • Jun. 19, 2013

The transverse and spinous processes serve as important muscle attachment sites.

From Textbooks • Jun. 19, 2013

Figure 7.25 Cervical Vertebrae A typical cervical vertebra has a small body, a bifid spinous process, transverse processes that have a transverse foramen and are curved for spinal nerve passage.

From Textbooks • Jun. 19, 2013

The nuchal ligament is attached to the cervical spinous processes and superiorly to the base of the skull, out to the external occipital protuberance.

From Textbooks • Jun. 19, 2013

The oesophagus expands into a curious gizzard, which is armed internally with large horny processes, some broad and thick, others spinous, fitted to act as crushing instruments.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

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