santolina Syllabification: (san·to·li·na)Pronunciation: /ˌsantəˈlēnə/Definition of santolina noun a plant of the genus Santolina in the daisy family, especially (in gardening) lavender cotton. Origin:modern Latin, perhaps an alteration of santonicasantolina in other Oxford dictionaries Definition of santolina in the British & World English dictionary