I. ˈtərbən ə l, ˈtə̄b-, ˈtəib- adjective
Etymology: Latin turbin-, turbo top, whirlwind, whirl + English -al — more at turbine
1. : turbinate 1, 2
2. : of, relating to, or being one of the usually several thin plicated bony or cartilaginous plates covered with olfactory and mucous membrane and borne on the walls of the nasal chambers
II. noun
( -s )
: a turbinal bone or cartilage