What does the word query mean?

Usage examples for query

  1. Only, after the note, there was a query. – Letters from France by C. E. W. Bean
  2. Pale faces were to be seen everywhere, and nothing was heard but the anxious query: Is it true? – Andreas Hofer by Lousia Muhlbach
  3. As for the constant query-" How do you like our country?" – Diary in America, Series One by Frederick Marryat (AKA Captain Marryat)