ternary / ternery / turnery [ˈtɜrnɜri:]
ternary – adj. & n. – adj. – threefold, in three parts; 2. third in rank or order; n. – a group of three
ternery – n. – a nesting ground for terns
turnery – n. – 1. the art of making things on a lathe; 2. a workshop or factory where objects are made on lathes