The Collaborative International Dictionary
Disrank
Disrank \Dis*rank"\ (?; see Dis-), v. t. [Cf. Derange.]
To degrade from rank. [Obs.]
To throw out of rank or into confusion.
--Decker.
Wiktionary
disrank
vb. 1 (context obsolete English) To degrade from rank. 2 (context obsolete English) To throw out of rank or into confusion.