嫁さん is read as よめさん (yomesan) and means wife.
よめさん
yomesan
よめ
(one's) daughter-in-law
とつぐ
to have sexual intercourse
よめいり
marriage
とつぎさき
family a woman has married into
よめいりどうちゅう
nuptial procession
よめいりじたく
wedding preparations
よめいりどうぐ
trousseau
よめいりこん
marriage in which the bride is taken into the groom's family
よめにいく
to marry (of a woman)
よめいる
to wed
よめえらび
choosing a wife
よめにいきおくれる
to be (too) late getting married