Dictionary
spinous
adjective spi·nous \ˈspī-nəs\
Definition of SPINOUS
2
: difficult or unpleasant to handle or meet : thorny
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First Known Use of SPINOUS
15th century
Medical Dictionary
spinous
adjective spi·nous \ˈspī-nəs\
Medical Definition of SPINOUS
: slender and pointed like a spine
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