Verb (5-dan, る, transitive)
1. to feel around for; to fumble for; to grope for; to search for; to look for
探ったが、見つけられなかったという。It is said that they searched but could not find it.
2. to investigate; to probe into; to spy on; to sound out
こちらの様子を探っているのだろう。They are probably probing into our situation.
3. to explore (parts unknown); to enjoy (natural beauty)
まず、塔を探りに行くんだ。First, we're going to go explore the tower.