All 8 Uses

probe
in
The Killer Angels
(Auto-generated)

A guard came forward and yelled and probed with a bayonet, but abruptly several more men sat down and then they all did, and the Captain began yelling, but the guards stood grinning confusedly, foolishly, having gone as far as they would go, unwilling to push further unless the men here showed some threat, and the men seemed beyond threat, merely enormously weary.†
Chpt 1.2

probed = investigated
Up ahead, in the mist, A. P. Hill probes toward Gettysburg like a blind hand.†
Chpt 1.4
If whoever was out there attacking him had any brains he would probe this position first and find out what he was attacking.†
Chpt 1.4

probe = to investigate; or an investigation; or an instrument used for investigation
Buford could hear the artillery coming into place on the far side, heard the spattering of rifle fire from probing patrols.†
Chpt 1.4 *

probing = investigating
Once again he saw Jackson's blue eyes, probing, reproachful.†
Chpt 1.6
No. Hood was probing with his batteries.†
Chpt 2.3
Skirmish firing broke out in the fields below Seminary Ridge; musketry popped in patches of white smoke as the lines felt and probed.†
Chpt 3.2

probed = investigated
Sat up to probe, found self intact.†
Chpt 3.3

probe = to investigate; or an investigation; or an instrument used for investigation

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)