dextrer
Dex*trer", n. Defn: A war horse; a destrer. [Obs.] "By him baiteth his dextrer." Chaucer. Des*trer", Dex"trer, n. Etym: [OF. destrier, fr. L. dextra on the right side. The squire led his master's horse beside him, on his right hand. Skeat.] Defn: A war horse. [Obs.] Chaucer.