Sentence:  but syr Gawayns spere brak / but sir marhaus spere helde / And therwith syre Gawayne and his hors russhed doune to the erthe / And lyghtly syre Gawayne rose on his feet / and pulled out his swerd / and <WSD>dressyd</WSD> hym toward syr Marhaus on foote<!--Prior quote:And lyghtly syr Gawayne rose on his feet, and pulled out his swerd, and <WSD>dressyd</WSD> hym toward syr Marhaus on foote--> 
Meaning of the word marked with <WSD> tags:  To prepare oneself; to make ready. (14th-16thc.)