|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|before in time, rank, order, position, etc: predate; pre-eminent; premeditation; prefrontal; preschool|
|[from Latin prae-, from prae before, beforehand, in front]|
Earlier; before; prior to: prenatal.
Anterior; in front of: preaxial.
progressive resistive exercise