A length of time in which the two sides to a purchase agreement, or contract can think things over and cancel with no penalty. This period is often stipulated by national law. In the UK it is currently (2008) 14 days. In many countries it is 10 days.

Any of the five species of fish in the genus Sander of the family Percidae (perches and darters).

A species of fish in the family Percidae, Perca fluviatilis.

A relatively brief period when a new leader is given greater leeway with respect to changes he or she wishes to make.

(management) A financial or non-financial metric used to help an organization define and measure progress towards its goals.

plural of first-person shooter

(rather rare) A male given name from Latin; and of mostly British usage.

A species of perch found in North America, Perca flavescens, having a more yellowy colour than other species of perch.

(music) an interval equal to that of between the second and third harmonics of the harmonic series; in equal temperament, an interval of seven semitones spanning five degrees of the diatonic scale. It is enharmonically equivalent to a diminished sixth.

(US) Milk containing one percent butterfat.