in medias res[in mā′dē äs′ res′]
in medias res definition by Webster's New World
Origin: Classical Latin into the midst of things
in medias res definition by American Heritage Dictionary
Origin: Latin in mediās rēs : in, into + mediās : accusative pl. feminine of medius, in the middle of + rēs, accusative pl. of rēs, thing.
in medias res - Cultural Definition
In the middle of the action. Epics often begin in medias res. For example, the Odyssey, which tells the story of the wanderings of the hero Odysseus, begins almost at the end of his wanderings, just before his arrival home. In medias res is a Latin phrase used by the poet Horace; it means “in the middle of things.”