D defs.my
Entry 1 sense Webster, 1913

Whosoever

/(ho͞o`sō̇*ĕv"ẽr)/ · Who·so·ev·er · IPA /huːsoʊˈɛvɚ/
01 pron. Whatsoever person; any person whatever that; whoever.
  1. 1.
    Whatsoever person; any person whatever that; whoever.
    Whosoever will, let him take . . . freely.” — Rev. xxii. 17.