What is the meaning of Lotta?

Contraction of lot +‎ of.

member of Lotta Svärd

charlotte russe (type of dessert)

fight, struggle

conflict

wrestling

third-person singular present indicative of lottare

a member of a women's voluntary defense corps, a member (in Finland) of Lotta Svärd

to draw lots

to draw (the winner in a lottery)

Source: wiktionary.org