spinifexPronunciation: /ˈspɪnɪfɛks/Definition of spinifex noun a grass with coarse spiny leaves and spiny flower heads which break off and are blown about like tumbleweed, occurring from East Asia to Australia. Genus Spinifex, family Gramineae Origin: early 19th century: modern Latin, from Latin spina 'thorn' + -fex from facere 'make'
