Definition of "caromed"

“My daughter says I have?” he bent a frowning glance at her which caromed harmlessly off the wide-eyed and impenetrable web of innocence with which she met the accusation.

1953, Isaac Asimov, Second Foundation (1971 Panther Books Ltd publication), part II: “Search by the Foundation”, chapter 7: ‘Arcadia’, page 80, ¶ 2