Definition of "semipublic"

These semipublic, philanthropic organizations later came to regard the so-called Lancasterian system as ideal, since it offered mass education at low cost.

2004, Paul Seattler, The Evolution of American Educational Technology, page 33

THERE are three things people think they know about Jessica Seinfeld, the semipublic wife of the popular comedian:

2007 November 4, Allen Salkin, “How I Met Jerry Seinfeld, Scene 1, Take 2”, in New York Times‎