an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever
become broader or wider or more extensive; "The road widened"
make wider; "widen the road"
extend in scope or range or area; "The law was extended to all citizens"; "widen the range of applications"; "broaden your horizon"; "Extend your backyard"