C / compactĭo
noun

compactĭo

gen. compactōnis · gender feminine · decl. 3rd
a joining together
In abstr., a joining together: membrorum, Cic. Fin. 5, 11, 33.—*
the things that are joined together; a structure; frame
In concr., the things that are joined together, a structure, frame, Vitr. 10, 15, 2 Schneid.