Code coverage means, how well your test set is covering your source code. i.e. to what extent is the source code covered by the set of Test cases. As mentioned in above answers, there are various coverage criteria, like paths, conditions, functions, statements, etc.
Chiasmus. Definition: Chiasmus is a specific type of parallelism. It consists of two parallel phrases in which corresponding words or phrases are placed in the opposite order.
Gorillas and chimpanzees ( and most fossil hominins ) possess a prominent supraorbital torus , or brow ridge , presenting as a continuous projecting ridge above the orbits and nose ( although continuous , the torus is anatomically divisible into three regions : laterally positioned supraorbital trigones , medially positioned supercillary arches , ...