'Memorial' in the Bible

Verily I say unto you, Wheresoever this gospel shall be preached in the whole world, that also which this woman hath done shall be spoken of for a memorial of her.

And verily I say unto you, Wheresoever the gospel shall be preached throughout the whole world, that also which this woman hath done shall be spoken of for a memorial of her.

And he, fastening his eyes upon him, and being affrighted, said, What is it, Lord? And he said unto him, Thy prayers and thine alms are gone up for a memorial before God.