ansa /ˈæn.sə/noun 2adjective 1forms 1 noun2 •The most protruding part of planetary rings as seen from a distance, perceived to project like handles on either side of the disc of the planet. •A loop-shaped structure. adjective1 •Being or relating to an ansa compound.an ansa bridge which allows for easy access to the oxygen donor atoms on the aromatic ring formsansae
