Definitions for "Pesher"
a type of commentary where a Biblical passage (even in an historical book) is viewed as a prophecy that has been fulfilled in some specific events, usually of the present or very recent past.
interpretation of a biblical passage.
a commentary - at Qumran, a commentary on a well-known biblical passage, usually from the Prophets, but also from Psalms and sometimes even other biblical books like Genesis, Leviticus, or Deuteronomy