spinifex /spinˈi-, spīˈni-feks/

1. A sharp-pointed Australian grass (genus Spinifex), of arid regions, whose spiny heads blow about and disseminate seed
2. Popularly applied in Australia to porcupine grass

• headstick
• headsticks
• headstock
• headstocks
• headstone
• headstones
• head-stream
• head-streams
• headstrong
• heads-up
• heads-ups
• heads will roll
• head teacher
• head teachers
• head-tire
• head-tires
• head to head
• head-to-head
• head up
• head-up display
• head voice
• head voices
• head waiter
• head waiters
• headwall