• (a.) Covered with gyrons, or divided so as to form several gyrons; -- said of an escutcheon.
Gy'ron·ny (jī'rŏn*nȳ) adjective [ French gironné .] (Her.) Covered with gyrons, or divided so as to form several gyrons; -- said of an escutcheon. 
In heraldry, the term gyrony describes an escutcheon covered with gyrons, or divided so as to form several gyrons.
divided into a number of gyrons, usually eight: gyronny of eight.