What is the meaning of Ała?

alternative spelling of aua

ala (female mythological creature recorded in the folklore of Bulgarians, Macedonians, and Serbs; a demon of bad weather whose main purpose is to lead hail-producing thunderclouds in the direction of fields, vineyards, or orchards to destroy the crops, or loot and take them away)

wing (all senses)

Source: wiktionary.org