turbinated

adjective

1. shaped like a cone resting on its apex, as a molluskan shell
2. shaped like a scroll or spiral; specif., designating or of any of certain spiral, spongy bones in the nasal passages

Origin: L turbinatus < turbo (gen. turbinis), a whirl, rotation: for IE base see turbid

noun

1. a turbinate shell
2. a turbinate bone