petticoatery noun2 •Feminine activity and pursuits.We have already at different times tried to deserve well of the world by remonstrating against the errors of petticoatery, and against certain freakish “sports” in the rosebud garden of girls. — 1872 •(no longer used) A coterie of women or girls.Immediately the whole coterie (which, in this instance, is an undiluted petticoatery) assembles for consultation. — 1849 formspetticoateries