I see her, though, very plainly before me--a large woman of the gravest aspect, care on her front and on her shoulders, but not overwhelming, inevitable care, rather the sort of voluntary, exemplary cloud and burden people ever carry who deem it their duty to be gloomy. 
: a large woman of grave aspect, wearing an expression of care - the sort of care of a person who deems it her duty to be gloomy. 