бабочка

Etymology
From, originally a diminutive; from the folk belief that spirits of the dead live on as butterflies.

Noun

 * 1)  butterfly
 * 2)  bowtie
 * 3)  feisty, spirited woman
 * 4)  prostitute, hooker
 * 1)  prostitute, hooker

Usage notes
Russian does not divide butterflies and moths the same way English does. Russian has for a kind of small moth that swarms at night, and  for the moth that eats clothes, but the other moths are all.