knight bachelor Meaning, Definition & Usage

  1. noun a knight of the lowest order; could display only a pennon
    bachelor-at-arms; bachelor.

WordNet

Knight" bach"e*lor
Wordforms
plural Knights bachelors
Definitions
  1. A knight of the most ancient, but lowest, order of English knights, and not a member of any order of chivalry. See Bachelor, 4.

Webster 1913