a. [f. SPIRAL sb.: see -FORM.] Having or taking the form of spiral lines.
1895. Jrnl. Hellenic Stud., XIV. 329. In the wake of early commerce the same spiraliform motives were to spread still further afield to the Danubian basin.
1900. Nature, 27 Sept., 527/1. The spiraliform system of design re-entered the British isles in another form.
