a guisa de

Literally, “in the manner of”.

a guisa de

1. as; like (representing, acting as)

   Synonym: a manera de

• “guisa”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007

• IPA^(key): /a ˈɡisa de/ [a ˈɣ̞i.sa ð̞e]
• Syllabification: a gui‧sa de

a guisa de

1. as; like (representing, acting as)
   • 1877, Benito Pérez Galdós, Gloria:

     […] poniéndose la mano a guisa de pantalla en la frente, para que el brillante sol no ofendiera sus ojos […]

     […] putting his hand on his forehead, as a screen, so the sun wouldn't get in his eyees […]