What is the meaning of Sivu?

page, side (one surface of a sheet of paper; one side of a paper leaf on which one has written or printed)

page (one of the many pieces of paper bound together within a book or similar document)

page (in teletext)

page (web page)

page (screenful of text and possibly other content)

page (memory page; block of contiguous memory of a fixed length)

side (bounding straight edge of a two-dimensional shape)

side (flat surface of a three-dimensional object; a face)

flank (extreme left or right edge of a military formation)

flank, side (flesh between the last rib and the hip)

side (body part)

loins

inflection of siv:

1. indefinite masculine/neuter dative/locative singular
2. feminine accusative singular

indefinite masculine/neuter dative/locative singular

feminine accusative singular

fat, sebum

Source: wiktionary.org