Definition of "reproachfully"

“Won’t you tell me a story, while we are resting?” asked the child. The Scarecrow looked at her reproachfully, and answered, “My life has been so short that I really know nothing whatever. […]

1900 May 17, L[yman] Frank Baum, “The Road through the Forest”, in The Wonderful Wizard of Oz, Chicago, Ill., New York, N.Y.: Geo[rge] M. Hill Co., page 45