Sentence:  and so they loued to gyder more hotter than they did to fore hand / and had suche preuy draughtes to gyder that many in the Courte spak of hit / and in especial sir Agrauayne/ sir Gawayns broder / for he was euer <WSD>open mouthed</WSD> / So bifel that syre Launcelot had many resortes of ladyes and damoysels that dayly resorted vnto hym / that besoughte hym to be their champyon<!--Prior quotemany in the courte spake of hit&mdash;and in especiall Sir Aggravayne, Sir Gawaynes brothir, for he was ever opynne-mowthed.--> 
Meaning of the word marked with <WSD> tags:  Talkative, speaking freely.