a costume for women, advocated about 1850 by Amelia Jenks Bloomer, consisting of a short skirt, loose trousers gathered and buttoned at the ankle, and often a coat and a wide hat.
2.
bloomers, (used with a plural verb)
a.
loose trousers gathered at the knee, formerly worn by women as part of a gymnasium, riding, or other sports outfit.
b.
women's underpants of similar, but less bulky, design.
c.
the trousers of a bloomer costume.
d.
any of various women's garments with full-cut legs gathered at the bottom edge.
a person who develops skills, abilities, interests, etc., commensurate with his or her capacities: a quiet, methodical child who became a late bloomer.