lather

beat severely with a whip or rod

agitation resulting from active worry

the froth produced by soaps or detergents

rub soap all over, usually with the purpose of cleaning

a workman who puts up laths

exude sweat or lather

“this unfit horse lathers easily”

form a lather

“The shaving cream lathered”

the foam resulting from excessive sweating (as on a horse)