spirulina
Pronunciation: /ˌspɪrʊˈlʌɪnə, ˌspʌɪrʊ-/
noun
- filamentous cyanobacteria which form tangled masses in warm alkaline lakes in Africa and Central and South America.
- Genus Spirulina, division Cyanobacteria
- (usually Spirulina) the substance of such growths dried and prepared as a food or food additive, which is a rich source of many vitamins and minerals.

Origin:
modern Latin, from spirula 'small spiral (shell)'