晩餐 is read as ばんさん (bansan) and means dinner.
ばんさん
bansan
ばんさんかい
banquet
さいごのばんさん
the Last Supper
しゅのばんさん
the Lord's Supper
ばんねん
one's later years
ばん
counter for nights
ばんしゃく
drink at home with one's evening meal
ばんごはん
dinner
ばんこん
late marriage
ばんき
the last stage
ばんしゅう
late autumn (fall)
ばんしゅん
late spring
ばんか
late summer