chĕlōnĭum, ii, n., = χελώνιον (lit.
I a tortoise-shell; hence); in mechanics, the similarly formed shield , cramp , or stay in which the axis of the crane or windlass moved , Vitr. 10, 2; 10, 4; 10, 8; 10, 15; 10, 18; 10, 21.—
II A plant , also called cyclaminos, App. Herb. 17.