All 6 Uses

probe
in
A Wrinkle in Time
(Edited)

It was his mother's mind, and Meg's, that he probed with frightening accuracy.
p. 13.3

probed = investigated
Charles Wallace looked at Calvin probingly for a moment; then an almost glazed look came into his eyes, and he seemed to be thinking at him.
p. 40.2

probingly = in the manner of an investigation
Charles Wallace got his look of probing, of listening.
p. 76.4

probing = investigating
For a brief, illuminating second Meg's face had the listening, probing expression that was so often seen on Charles's.
p. 88.8 *
Charles wore his listening, probing look.
p. 125.2
"Try to find out who I am, then," the thought probed.
p. 139.7

probed = penetrated

Definitions:

(1) (probe)
to investigate closely; or a tool or device used to explore, examine, or gather information
(2) (meaning too rare to warrant focus)