Definition of strout:
(v) :
(obsolete, transitive) To cause to project or swell out; to enlarge affectedly; to strut.
(n) :
A surname.
(v) :
(obsolete, intransitive) Alternative form of strut (“to swell; protuberate; bulge or spread out”). [(intransitive) Of a peacock or other fowl: to stand or walk stiffly, with the tail erect and spread out.]