Estoile \Es`toile"\, n. [OF.]

(Her.) A six-pointed star whose rays are wavy, instead of straight like those of a mullet. [Written also ['e]toile.]

Estoile of eight points, a star which has four straight and four wavy rays.

Estoile of four points. Same as Cross estoil['e], under Cross.

Source: Webster's Revised Unabridged Dictionary (1913)