Meaning: かさんn. (Kanji=加算) addition, summation, basic mathematical operation in which separate numbers are brought together into one total sumn. (Kanji=加餐) caring for someone's healthn. (Kanji=家産) estate, family propertyv. (Kanji=加算する) sum up, figure out the total; append, add in writing; sum, tot, add (Mathematics)