D defs.my
Entry 1 sense Webster, 1913

Tittle

/tĭt'-əl/ · Tit·tle · IPA /ˈtɪt.əl/
01 n. A particle; a minute part; a jot; an iota.
  1. 1.
    A particle; a minute part; a jot; an iota.
    “It is easier for heaven and earth to pass, than one tittle of the law to fail.” — Luke xvi. 17.
    “Every tittle of this prophecy is most exactly verified.” South.