7 Manzil Mean divided Qur'an in to seven parts

Manzil is the word for one of seven parts of roughly equal length into which the Qur'an is divided for the
purpose of reciting the entire text in one week.

Al-Fatihah (1) through An-Nisa' (4)
Al-Maida (5) through At-Tawba (9)
Yunus (10) through An-Nahl (16)
Isra' (17) through Al-Furqan (25)
Ash-Shuara' (26) through Ya-Seen (36)
As-Saffat (37) through Al-Hujarat (49)
Qaf (50) through An-Nass (114)

The first 4 chapters
The next 5 chapters
The next 7 chapters
The next 9 chapters
The next 11 chapters
The next 13 chapters
The remaining 65 chapters.

A second meaning is a set of verses from different parts of the Qur'an which help in curing or preventing
Sihr(evil magic). The collection of these verses is available in booklet form from various publishers.

for detail:
http://en.wikipedia.org/wiki/Manzil