D defs.my
Entry 1 sense Webster, 1913

Knight bachelor

/nīt băch'-əl-ẽr/ · Knight· bach·e·lor · IPA
01 A knight of the most ancient, but lowest, order of English knights, and not a member of any order of chivalry. See Bachelor, 4.
pl. Knights bachelors
  1. 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. See: Bachelor