spinosePronunciation: /ˈspʌɪnəʊs, spʌɪˈnəʊs/ (also spinous /ˈspʌɪnəs/)Definition of spinose adjective chiefly Botany & Zoology having spines; spiny:spinose forms will need care in collectingspinose in other Oxford dictionaries Definition of spinose in the US English dictionary