(anatomy) The distal part of the adenohypophysis, which contains the majority of its hormone-secreting cells.

(finance) The yield for which the price of a bond is equal to its nominal value (par value).

(idiomatic) At the usual or expected level.

(entomology) a neurosecretory center of the insect brain, located along the anterior midline.

Because or on account of one's excellence. / Most especially, in particular, most notably (out of a thing or person's other attributes, roles, etc.).

Being the proper or truest example of a general name. / Being a quintessential example of a general type.

(law) The par delictum rule prescribes that a party should not obtain satisfaction from a court of law with where his own conduct is wrongful.

(idiomatic) To be expected; normal; common.

below par

(golf) (of a score) Less than par for the hole or course (which in golf, means better than par). / (idiomatic) Not up to the average or normal standard.