Bede

Go forth, and see, daughters of Zion, King Solomon. The daughters of Zion are also the daughters of Jerusalem, that is, souls longing for the joys of the heavenly homeland. For Zion means watchtower, or the watchman, Jerusalem means vision of peace: both names fittingly apply to the inhabitants of the same heavenly city, where they enjoy eternal peace and always behold the face of their Creator. Therefore, go forth, he says, daughters of Zion, and see King Solomon. …

Commentary on the Song of Songs ↗

Bonaventure

The blessed Virgin was crowned with this stone in the flesh: seeing in the flesh the glorified body of Christ, seeing in spirit his glorified soul, and in mind his Divinity. Christ was crowned first, and she afterward. Whence in the Canticle: "Go forth, daughters of Sion, and see king Solomon in the diadem with which his mother crowned him on the day of his espousals and on the day of the gladness of his heart," that is, in flesh and mind, because he first put on flesh, suffered, and afterward was glorified: and the whole Church was …

Collationes de Septem Donis, Collation 6 ↗

Robert of Tombelaine

The blessed Mary, Mother of Christ, is believed to be she who crowned him with a diadem, because he himself assumed our humanity from her, as is recounted in the Gospel (Matt. 1). And this is said to have taken place on the day of his betrothal and on the day of the gladness of his heart, because when the only-begotten Son of God wished to unite his divinity to our humanity, when by his good will he was pleased to take his Church to himself at the appointed time, then with the exultation of love he willed to take on our flesh from …

Commentary on the Song of Songs, Chapter 3 ↗