What does the word similarity mean?

Usage examples for similarity

  1. In spite of her anxiety not to hurt his feelings, she plucked up courage and remarked that there was, if she were not mistaken, an extraordinary similarity between his figure and the quondam wearer's of the suit. – The Song of Songs by Hermann Sudermann
  2. Although a very great similarity is observable between many of the ancient Jewish rites and ceremonies and those in use among the Chinese, yet there seems to be no reason for supposing that the latter received any part of their religion from the ancestors of those Jews that are still in the country. – Travels in China, Containing Descriptions, Observations, and Comparisons, Made and Collected in the Course of a Short Residence at the Imperial Palace of Yuen-Min-Yuen, and on a Subsequent Journey through the Country from Pekin to Canton by John Barrow
  3. The similarity of the two churches is visible throughout. – Cathedrals of Spain by John A. (John Allyne) Gade