Dextrer

{ Des*trer" (?), Dex"trer (?) }, n. [OF. destrier, fr. L. dextra on the right side. The squire led his master's horse beside him, on his right hand. Skeat.] A war horse. [Obs.] Chaucer.

Dex*trer" (?), n. A war horse; a destrer. [Obs.] "By him baiteth his dextrer." Chaucer.